| Thursday 16th August 2018 | Midland Floodlit Youth League | Pegasus Juniors U18 | 1-2 | Slimbridge U18 | ||
| Thursday 23rd August 2018 | Midland Floodlit Youth League | Slimbridge U18 | 9-0 | Bromyard Town U18 | ||
| Thursday 30th August 2018 | Midland Floodlit Youth League | Slimbridge U18 | 7-3 | Redditch United U18 | ||
| Monday 3rd September 2018 | Midland Floodlit Youth League | Stourport Swifts U18 | 0-4 | Slimbridge U18 | ||
| Tuesday 25th September 2018 | Midland Floodlit Youth League | Slimbridge U18 | 3-0 | Malvern Town U18 | ||
| Thursday 20th September 2018 | FA Youth Cup | Tuffley Rovers U18 | 1-4 | Slimbridge U18 | ||
| Tuesday 2nd October 2018 | FA Youth Cup | Torquay United U18 | 1-0 | Slimbridge U18 | ||
| Thursday 1st November 2018 | Midland Floodlit Youth League | Slimbridge U18 | 3-3 | Cheltenham Town U18 | ||
| Thursday 25th October 2018 | Midland Floodlit Youth League | Slimbridge U18 | 2-2 | Bishops Cleeve U18 | ||
| Monday 3rd December 2018 | Midland Floodlit Youth League Cup | Slimbridge U18 | 2-5 | Gloucester City U18 | ||
| Tuesday 27th November 2018 | Midland Floodlit Youth League | Redditch United U18 | 4-6 | Slimbridge U18 | ||
| Thursday 13th September 2018 | Midland Floodlit Youth League | Cheltenham Town U18 | 1-9 | Slimbridge U18 | ||
| Thursday 8th November 2018 | Midland Floodlit Youth League Cup | Dudley Town U18 | 0-3 | Slimbridge U18 | ||
| Thursday 15th November 2018 | Midland Floodlit Youth League | Slimbridge U18 | 5-0 | Pegasus Juniors U18 | ||
| Monday 2nd September 2019 | FA Youth Cup | Slimbridge U18 | 3-2 | Malvern Town U18 | ||
| Thursday 12th September 2019 | Cheltenham Youth League | Slimbridge U18 | 6-0 | Chipping Sodbury Town U18 | ||
| Monday 23rd September 2019 | Cheltenham Youth League | Slimbridge U18 | 6-0 | Cinderford Town U18 | ||
| Monday 16th September 2019 | FA Youth Cup | Slimbridge U18 | 4-2 | New College Swindon U18 | ||
| Monday 30th September 2019 | FA Youth Cup | Slimbridge U18 | 2-0 | Chippenham Town U18 | ||
| Tuesday 8th October 2019 | Cheltenham Youth League | Tuffley Rovers U18 | 2-3 | Slimbridge U18 | ||
| Monday 14th October 2019 | FA Youth Cup | Bath City U18 | 3-0 | Slimbridge U18 | ||
| Monday 21st October 2019 | GFA Under 18 County Cup | Tuffley Rovers U18 | 1-2 | Slimbridge U18 | ||
| Monday 18th November 2019 | GFA Under 18 County Cup | Slimbridge U18 | 10-1 | Dursley Town Boys U18 | ||
| Tuesday 10th December 2019 | Cheltenham Youth League | Slimbridge U18 | 5-2 | Bishops Cleeve U18 | ||
| Sunday 5th January 2020 | GFA Under 18 County Cup | Wickwar U18 | 0-8 | Slimbridge U18 | ||
| Monday 20th January 2020 | Cheltenham Youth League | Slimbridge U18 | 6-1 | Evesham United U18 | ||
| Monday 3rd February 2020 | Cheltenham Youth League | Slimbridge U18 | 5-0 | Westfields U18 | ||
| Monday 2nd March 2020 | Cheltenham Youth League | Evesham United U18 | 0-10 | Slimbridge U18 | ||
| Wednesday 16th January 2019 | Midland Floodlit Youth League | Bishops Cleeve U18 | 0-8 | Slimbridge U18 | ||
| Monday 21st January 2019 | Midland Floodlit Youth League | Slimbridge U18 | 2-0 | Tuffley Rovers U18 | ||
| Monday 28th January 2019 | Midland Floodlit Youth League | Malvern Town U18 | 2-2 | Slimbridge U18 | ||
| Monday 18th February 2019 | Midland Floodlit Youth League | Tuffley Rovers U18 | 0-4 | Slimbridge U18 | ||
| Thursday 28th February 2019 | Midland Floodlit Youth League | Bromyard Town U18 | 2-7 | Slimbridge U18 | ||
| Tuesday 5th March 2019 | Midland Floodlit Youth League | Slimbridge U18 | 2-5 | Stourport Swifts U18 | ||
| Sunday 23rd August 2020 | Friendly | Broadwell Amateurs | 5-3 | Slimbridge U18 | ||
| Monday 17th August 2020 | Friendly | Slimbridge U18 | 0-0 | Tuffley Rovers U18 | ||
| Monday 3rd August 2020 | Friendly | Taverners | 2-3 | Slimbridge U18 | ||
| Monday 21st September 2020 | FA Youth Cup | Chippenham Town U18 | 1-0 | Slimbridge U18 | ||
| Sunday 27th September 2020 | Bristol U18 Combination League Premier D | Slimbridge U18 | 2-1 | Rockleaze Rangers U18 | ||
| Sunday 4th October 2020 | Bristol U18 Combination League Premier D | Slimbridge U18 | 2-2 | St Nicholas U18 | ||
| Sunday 11th October 2020 | Bristol U18 Combination League Premier D | Slimbridge U18 | 1-2 | Lawrence Weston Athletic U18 | ||
| Sunday 18th October 2020 | Bristol U18 Combination League Premier D | Cutters Friday U18 | 4-3 | Slimbridge U18 | ||
| Sunday 25th October 2020 | Bristol U18 Combination League Premier D | St Nicholas U18 | 1-3 | Slimbridge U18 | ||
| Sunday 1st November 2020 | Bristol U18 Combination League Premier D | Bradley Stoke U18 | 2-7 | Slimbridge U18 | ||
| Sunday 4th April 2021 | Bristol U18 Combination League Premier D | Cribbs U18 | 3-3 | Slimbridge U18 | ||
| Sunday 11th April 2021 | Bristol U18 Combination League Premier D | Slimbridge U18 | 2-2 | Cutters Friday U18 | ||
| Sunday 9th May 2021 | Bristol U18 Combination League Premier D | Slimbridge U18 | 0-2 | Cribbs U18 | ||
| Sunday 16th May 2021 | BU18CFL Premier Cup QF | Cribbs U18 | 4-1 | Slimbridge U18 | ||
| Sunday 2nd May 2021 | Bristol U18 Combination League Premier D | Lawrence Weston Athletic U18 | 6-1 | Slimbridge U18 | ||
| Thursday 8th July 2021 | Friendly | Slimbridge U18 | 3-0 | Stroud United | ||
| Wednesday 14th July 2021 | Friendly | Berkeley Town | 5-5 | Slimbridge U18 | ||
| Friday 13th August 2021 | Friendly | Slimbridge U18 | 4-1 | Lawrence Weston Athletic U18 | ||
| Thursday 26th August 2021 | Friendly | Slimbridge U18 | 2-6 | Lawrence Weston Athletic U18 | ||
| Tuesday 31st August 2021 | FAYC | Odd Down U18 (Bath) | 1-1 | Slimbridge U18 | ||
| Thursday 9th September 2021 | League | Longlevens U18 | 0-5 | Slimbridge U18 | ||
| Thursday 23rd September 2021 | League | Bishops Cleeve U18 | 0-7 | Slimbridge U18 | ||
| Thursday 30th September 2021 | Cup | Longlevens U18 | 2-5 | Slimbridge U18 | ||
| Tuesday 5th October 2021 | League | Tuffley Rovers U18 | 0-4 | Slimbridge U18 | ||
| Tuesday 12th October 2021 | League | Slimbridge U18 | 0-1 | Shortwood United U18 | ||
| Tuesday 26th October 2021 | League | Slimbridge U18 | 10-0 | Lydney Town U18 | ||
| Monday 18th October 2021 | Cup | Evesham United U18 | 1-1 | Slimbridge U18 | ||
| Tuesday 2nd November 2021 | League | Slimbridge U18 | 7-2 | Bishops Cleeve U18 | ||
| Thursday 11th November 2021 | League | Cheltenham Saracens U18 | 2-0 | Slimbridge U18 | ||
| Wednesday 17th November 2021 | League | Slimbridge U18 | 8-1 | Malvern Town U18 | ||
| Tuesday 23rd November 2021 | League | Slimbridge U18 | 6-1 | Longlevens U18 | ||
| Thursday 2nd December 2021 | League | Evesham United U18 | 0-2 | Slimbridge U18 | ||
| Tuesday 14th December 2021 | GFA County Cup | Slimbridge U18 | 12-1 | South Cerney U17s | ||
| Monday 10th January 2022 | League | Malvern Town U18 | 1-5 | Slimbridge U18 | ||
| Monday 24th January 2022 | League | Shortwood United U18 | 0-3 | Slimbridge U18 | ||
| Wednesday 2nd February 2022 | League | Lydney Town U18 | 0-5 | Slimbridge U18 | ||
| Saturday 1st January 2000 | League | Slimbridge U18 | 0-1 | Westfields U18 | ||
| Monday 7th February 2022 | League | Westfields U18 | 0-2 | Slimbridge U18 | ||
| Sunday 27th February 2022 | GFA County Cup | Slimbridge U18 | 3-1 | Mangotsfield United U18 | ||
| Tuesday 8th March 2022 | League | Slimbridge U18 | 1-1 | Tuffley Rovers U18 | ||
| Thursday 10th March 2022 | League | Cinderford Town U18 | 2-2 | Slimbridge U18 | ||
| Tuesday 15th March 2022 | GFA County Cup Semi Final | Slimbridge U18 | 2-4 | Gloucester City U18 | ||
| Wednesday 23rd March 2022 | League | Hereford Pegasus U18 | 6-4 | Slimbridge U18 | ||
| Tuesday 29th March 2022 | League | Slimbridge U18 | 3-4 | Hereford Pegasus U18 | ||
| Tuesday 5th April 2022 | League | Slimbridge U18 | 0-3 | Cinderford Town U18 | ||
| Thursday 7th April 2022 | League | Slimbridge U18 | 11-2 | Westfields U18 | ||
| Tuesday 26th April 2022 | League | Slimbridge U18 | 2-0 | Cheltenham Saracens U18 | ||
| Tuesday 3rd May 2022 | League | Slimbridge U18 | 2-3 | Evesham United U18 | ||
| Saturday 23rd July 2022 | Friendly | Almondsbury FC | 7-2 | Slimbridge U18 | ||
| Wednesday 27th July 2022 | Friendly | Randwick | 0-9 | Slimbridge U18 | ||
| Saturday 30th July 2022 | Friendly | Slimbridge U18 | 3-3 | Stroud FC | ||
| Friday 5th August 2022 | Pre-Season Friendly | Slimbridge U18 | 0-2 | Chippenham Town U18 | ||
| Monday 8th August 2022 | Friendly | Hallen U18s | 7-0 | Slimbridge U18 | ||
| Thursday 11th August 2022 | Friendly | Longlevens U18 | 1-4 | Slimbridge U18 | ||
| Thursday 1st September 2022 | FA Youth Cup | Slimbridge U18 | 8-0 | Warminster Town U18 | ||
| Wednesday 5th October 2022 | GFA Under 18s Youth Shield | Slimbridge U18 | 1-4 | Cheltenham Saracens U18 | ||
| Tuesday 6th September 2022 | League | Hereford Pegasus U18 | 1-3 | Slimbridge U18 | ||
| Tuesday 13th September 2022 | FA Youth Cup | Slimbridge U18 | 4-2 | Clevedon Town | ||
| Tuesday 20th September 2022 | League | Slimbridge U18 | 12-0 | Evesham United Juniors U18 | ||
| Friday 30th September 2022 | FA Youth Cup | Chippenham Town U18 | 3-1 | Slimbridge U18 | ||
| Monday 10th October 2022 | League | Westfields U18 | 2-4 | Slimbridge U18 | ||
| Friday 14th October 2022 | HFA Giantkillers Cup | Slimbridge U18 | 6-1 | Hereford Pegasus U18 | ||
| Monday 17th October 2022 | S. Turier & Son Cup | TDMS U18 | 0-3 | Slimbridge U18 | ||
| Tuesday 25th October 2022 | League | Slimbridge U18 | 2-0 | Cinderford Town U18 | ||
| Tuesday 1st November 2022 | League | Slimbridge U18 | 1-2 | Cheltenham Saracens U18 | ||
| Thursday 10th November 2022 | League | Dursley Town Boys U18 | 3-4 | Slimbridge U18 | ||
| Monday 14th November 2022 | League | Malvern Town U18 | 1-4 | Slimbridge U18 | ||
| Thursday 1st December 2022 | League | Slimbridge U18 | 2-0 | Shortwood United U18 | ||
| Tuesday 6th December 2022 | League | Slimbridge U18 | 3-1 | TDMS U18 | ||
| Thursday 5th January 2023 | HFA Giantkillers Cup | Longlevens U18 | 2-3 | Slimbridge U18 | ||
| Tuesday 17th January 2023 | League | Bishops Cleeve U18 | 4-0 | Slimbridge U18 | ||
| Tuesday 31st January 2023 | League | Slimbridge U18 | 3-1 | Hereford Pegasus U18 | ||
| Tuesday 21st February 2023 | League | Slimbridge U18 | 3-2 | Bishops Cleeve U18 | ||
| Tuesday 14th March 2023 | S. Turier & Son Cup Semi Final | Slimbridge U18 | 3-2 | Tuffley Rovers U18 | ||
| Tuesday 28th March 2023 | League | Cinderford Town U18 | 1-2 | Slimbridge U18 | ||
| Monday 6th March 2023 | League | Shortwood United U18 | 2-1 | Slimbridge U18 | ||
| Tuesday 28th February 2023 | League | Slimbridge U18 | 2-3 | Malvern Town U18 | ||
| Friday 10th February 2023 | HFA Giantkillers Cup | Slimbridge U18 | 0-3 | Worcester City Youth U18 | ||
| Tuesday 4th April 2023 | League | Slimbridge U18 | 3-2 | Dursley Town Boys U18 | ||
| Thursday 13th April 2023 | League | Longlevens U18 | 1-3 | Slimbridge U18 | ||
| Wednesday 19th April 2023 | League | Cheltenham Saracens U18 | 4-0 | Slimbridge U18 | ||
| Monday 1st May 2023 | League | Slimbridge U18 | 5-2 | Longlevens U18 | ||
| Thursday 27th April 2023 | League | TDMS U18 | 2-4 | Slimbridge U18 | ||
| Thursday 4th May 2023 | League | Slimbridge U18 | 6-1 | Tuffley Rovers U18 | ||
| Monday 8th May 2023 | League | Slimbridge U18 | 5-0 | Lydney Town U18 | ||
| Thursday 11th May 2023 | S. Turier & Son Cup Final | Slimbridge U18 | 2-2 | Bishops Cleeve U18 | ||
| Monday 15th May 2023 | League | Tuffley Rovers U18 | 1-3 | Slimbridge U18 | ||
| Wednesday 17th May 2023 | League | Lydney Town U18 | 2-5 | Slimbridge U18 | ||
| Monday 17th July 2023 | Friendly | Clevedon Town U18s | 0-2 | Slimbridge U18 | ||
| Thursday 27th July 2023 | Friendly | Slimbridge U18 | 0-4 | Malvern Town U18 | ||
| Monday 31st July 2023 | Friendly | Uley U18s | 1-4 | Slimbridge U18 | ||
| Tuesday 8th August 2023 | Friendly | Gala Wilton U18s | 8-3 | Slimbridge U18 | ||
| Thursday 10th August 2023 | Friendly | Slimbridge U18 | 6-2 | Royal Wootton Basset Town U18s | ||
| Thursday 17th August 2023 | FA Youth Cup | Cinderford Town U18 | 0-6 | Slimbridge U18 | ||
| Tuesday 22nd August 2023 | Friendly | Brimscombe & Thrupp U18s | 3-1 | Slimbridge U18 | ||
| Thursday 31st August 2023 | Friendly | Taverners U18s | 5-1 | Slimbridge U18 | ||
| Wednesday 6th September 2023 | FA Youth Cup | Slimbridge U18 | 1-5 | Street U18s | ||
| Tuesday 12th September 2023 | League | Slimbridge U18 | 4-2 | Ledbury Town U18 | ||
| Tuesday 19th September 2023 | League | Bishops Cleeve U18 | 4-2 | Slimbridge U18 | ||
| Tuesday 26th September 2023 | League | Slimbridge U18 | 1-3 | Cheltenham Saracens U18 | ||
| Sunday 1st October 2023 | FA Youth Cup | Churchdown Panthers U17 | 3-4 | Slimbridge U18 | ||
| Tuesday 3rd October 2023 | League | Hereford Pegasus U18 | 6-3 | Slimbridge U18 | ||
| Tuesday 10th October 2023 | League | Slimbridge U18 | 4-3 | Evesham United U18 | ||
| Wednesday 25th October 2023 | S Turier Cup | Lydney Town U18 | 3-2 | Slimbridge U18 | ||
| Tuesday 31st October 2023 | League | Slimbridge U18 | 5-3 | Hereford Lads Club U18 | ||
| Thursday 9th November 2023 | League | Dursley Town Boys U18 | 2-3 | Slimbridge U18 | ||
| Sunday 12th November 2023 | GFA U18 County Cup | Slimbridge U18 | 10-2 | Leckhampton Youth U18 - Boas | ||
| Tuesday 28th November 2023 | HFA Giantkillers | Slimbridge U18 | 0-5 | Longlevens U18 | ||
| Sunday 10th December 2023 | GFA U18 County Cup | Bishops Cleeve Colts U17 | 1-18 | Slimbridge U18 | ||
| Monday 29th January 2024 | League | Bromyard Town U18 | 3-6 | Slimbridge U18 | ||
| Sunday 4th February 2024 | County Cup | Rockleaze Rangers U18 | 2-6 | Slimbridge U18 | ||
| Wednesday 28th February 2024 | League | Slimbridge U18 | 3-0 | Tuffley Rovers U18 | ||
| Friday 1st March 2024 | League | Cheltenham Town U18 | 8-1 | Slimbridge U18 | ||
| Tuesday 5th March 2024 | League | Slimbridge U18 | 7-2 | Shortwood United U18 | ||
| Sunday 10th March 2024 | GFA County Cup | Slimbridge U18 | 6-0 | Bristol Manor Farm U18s | ||
| Tuesday 19th March 2024 | League | Slimbridge U18 | 5-2 | Lydney Town U18 | ||
| Monday 25th March 2024 | League | Longlevens U18 | 2-2 | Slimbridge U18 | ||
| Tuesday 2nd April 2024 | League | Tuffley Rovers U18 | 2-8 | Slimbridge U18 | ||
| Tuesday 23rd April 2024 | League | Slimbridge U18 | 4-3 | Dursley Town Boys U18 | ||
| Thursday 25th April 2024 | League | Lydney Town U18 | 0-1 | Slimbridge U18 | ||
| Tuesday 30th April 2024 | League | Slimbridge U18 | 0-2 | Bishops Cleeve U18 | ||
| Thursday 18th April 2024 | League | Slimbridge U18 | 0-0 | Cinderford Town U18 | ||
| Tuesday 16th April 2024 | League | Slimbridge U18 | 2-1 | Longlevens U18 | ||
| Thursday 2nd May 2024 | GFA County Cup Final | Hallen U18s | 2-4 | Slimbridge U18 | ||
| Thursday 11th July 2024 | Friendly | Slimbridge U18 | 2-0 | AEK Boco U18s | ||
| Thursday 18th July 2024 | Friendly | Taverners U18s | 1-3 | Slimbridge U18 | ||
| Monday 22nd July 2024 | Friendly | Hallen U18s | 2-4 | Slimbridge U18 | ||
| Wednesday 24th July 2024 | Friendly | Malmesbury Victoria | 0-1 | Slimbridge U18 | ||
| Wednesday 31st July 2024 | Friendly | Cirencester U18 | 2-2 | Slimbridge U18 | ||
| Monday 5th August 2024 | Friendly | Clevedon Town U18s | 2-3 | Slimbridge U18 | ||
| Thursday 15th August 2024 | Friendly | Tytherington Rocks U18 | 0-14 | Slimbridge U18 | ||
| Thursday 5th September 2024 | FA Youth Cup Preliminary Round | Slimbridge U18 | 3-2 | Gloucester City U18 | ||
| Thursday 19th September 2024 | FA Youth Cup | Slimbridge U18 | 3-2 | Bristol Manor Farm U18s | ||
| Sunday 22nd September 2024 | U18 County Shield | Longlevens U18 | 4-1 | Slimbridge U18 | ||
| Wednesday 25th September 2024 | League | Bishops Cleeve U18 | 5-3 | Slimbridge U18 | ||
| Tuesday 1st October 2024 | FA Youth Cup | Cirencester U18 | 3-2 | Slimbridge U18 | ||
| Tuesday 15th October 2024 | HFA Giant Killers Cup | Slimbridge U18 | 5-0 | Stourport Swifts U18 | ||
| Thursday 17th October 2024 | League | Dursley Town Boys U18 | 2-1 | Slimbridge U18 | ||
| Tuesday 22nd October 2024 | League | Slimbridge U18 | 5-0 | Shortwood United U18 | ||
| Tuesday 5th November 2024 | League | Slimbridge U18 | 10-0 | Bourton Rovers U18 | ||
| Tuesday 12th November 2024 | League | Tuffley Rovers U18 | 2-2 | Slimbridge U18 | ||
| Thursday 14th November 2024 | U18 Floodlit Severn Sport Cup | Dursley Town Boys U18 | 5-1 | Slimbridge U18 | ||
| Tuesday 3rd December 2024 | League | Slimbridge U18 | 5-0 | Bishops Cleeve U18 | ||
| Tuesday 17th December 2024 | League | Slimbridge U18 | 2-2 | Tuffley Rovers U18 | ||
| Tuesday 18th February 2025 | League | Slimbridge U18 | 0-3 | Fairford Town U18 | ||
| Thursday 13th February 2025 | League | Slimbridge U18 | 0-3 | Fairford Town U18 | ||
| Tuesday 25th February 2025 | League | Bourton Rovers U18 | 3-9 | Slimbridge U18 | ||
| Wednesday 5th February 2025 | HFA Giant Killers Cup | Hereford United U18 | 0-2 | Slimbridge U18 | ||
| Monday 3rd March 2025 | League | Evesham United U18 | 0-2 | Slimbridge U18 | ||
| Thursday 6th March 2025 | HFA Giant Killers Cup Quarter Final | Slimbridge U18 | 2-2 | Kidderminster Harriers U18 | ||
| Monday 10th March 2025 | League | Shortwood United U18 | 2-2 | Slimbridge U18 | ||
| Tuesday 1st April 2025 | League | Slimbridge U18 | 0-1 | Dursley Town Boys U18 | ||
| Monday 14th July 2025 | Friendly | Slimbridge U18 | 6-2 | Bristol Telephones U18 | ||
| Wednesday 16th July 2025 | Friendly | Bibury | 1-2 | Slimbridge U18 | ||
| Wednesday 23rd July 2025 | Friendly | Berkeley Town | 3-4 | Slimbridge U18 | ||
| Tuesday 29th July 2025 | Friendly at Berkeley Town FC | Yate Town U18 | 0-0 | Slimbridge U18 | ||
| Tuesday 5th August 2025 | Friendly held at Berkeley Town FC | Fairford Town U18 | 1-3 | Slimbridge U18 | ||
| Thursday 7th August 2025 | Friendly | Slimbridge U18 | 2-1 | SC Inkberrow U18s | ||
| Tuesday 12th August 2025 | Friendly at Berkeley Town FC | Slimbridge U18 | 1-0 | Longwell Green Sports U18 | ||
| Monday 18th August 2025 | Friendly | Mangotsfield United U18 | 0-4 | Slimbridge U18 | ||
| Thursday 4th September 2025 | FA Youth Cup | Frome Town U18 | 0-7 | Slimbridge U18 | ||
| Tuesday 9th September 2025 | League | Slimbridge U18 | 3-1 | Tuffley Rovers U18 | ||
| Tuesday 16th September 2025 | FA Youth Cup | Slimbridge U18 | 4-3 | Taunton Town U18 | ||
| Sunday 21st September 2025 | GFA Under 18s County Cup | Whaddon United U18s | 0-4 | Slimbridge U18 | ||
| Tuesday 23rd September 2025 | League | Ledbury Town U18 | 1-11 | Slimbridge U18 | ||
| Tuesday 7th October 2025 | League | Slimbridge U18 | 6-2 | Bishops Cleeve U18 | ||
| Sunday 12th October 2025 | GFA Under 18s County Cup | Slimbridge U18 | 1-2 | Gloucester City U18 | ||
| Monday 29th September 2025 | FA Youth Cup | Mangotsfield United U18 | 5-1 | Slimbridge U18 | ||
| Wednesday 22nd October 2025 | Friendly | Slimbridge U18 | 6-4 | Chepstow U18s | ||
| Friday 24th October 2025 | League | Gloucester City U18 | 0-2 | Slimbridge U18 | ||
| Tuesday 28th October 2025 | League | Bishops Cleeve U18 | 2-2 | Slimbridge U18 | ||
| Tuesday 4th November 2025 | League | Slimbridge U18 | 7-1 | Fairford Town U18 | ||
| Thursday 20th November 2025 | HFA Giantkillers Cup | Slimbridge U18 | 5-1 | Tuffley Rovers U18 | ||
| Tuesday 13th January 2026 | League | Slimbridge U18 | 10-0 | Ledbury Town U18 | ||
| Thursday 29th January 2026 | Severn Sport Cup QF | Fairford Town U18 | 2-2 | Slimbridge U18 | ||
| Friday 6th February 2026 | HFA Giantkillers Cup | Stourport Swifts U18 | 0-2 | Slimbridge U18 | ||
| Tuesday 3rd February 2026 | League | Slimbridge U18 | 2-1 | Hereford Pegasus U18 | ||
| Monday 9th February 2026 | League | Hereford Pegasus U18 | 0-0 | Slimbridge U18 | ||
| Thursday 19th February 2026 | League | Fairford Town U18 | 1-4 | Slimbridge U18 | ||
| Tuesday 17th February 2026 | League | Slimbridge U18 | 1-2 | Gloucester City U18 | ||
| Tuesday 3rd March 2026 | League | Cinderford Town U18 | 0-8 | Slimbridge U18 | ||
| Friday 13th March 2026 | Severn Sport Cup Semi-Final | Gloucester City U18 | 3-3 | Slimbridge U18 | ||
| Friday 20th March 2026 | HFA Giantkillers Cup | Slimbridge U18 | 4-2 | Longlevens U18 | ||
| Tuesday 31st March 2026 | League | Tuffley Rovers U18 | 1-6 | Slimbridge U18 | ||
| Thursday 2nd April 2026 | League | Slimbridge U18 | 3-0 | Longlevens U18 | ||
| Tuesday 7th April 2026 | League | Cirencester U18 | 1-4 | Slimbridge U18 | ||
| Tuesday 14th April 2026 | League | Slimbridge U18 | 4-0 | Cinderford Town U18 | ||
| Wednesday 22nd April 2026 | HFA Giantkillers Cup Final (Played at He | Slimbridge U18 | 5-3 | Cirencester U18 | ||
| Monday 27th April 2026 | League | Longlevens U18 | 1-5 | Slimbridge U18 | ||
| Tuesday 28th April 2026 | League | Slimbridge U18 | 2-5 | Cirencester U18 | ||
| Wednesday 8th July 2026 | Friendly | Slimbridge U18 | 7-1 | Oldland Abbotonians U18s | ||
| Tuesday 14th July 2026 | Friendly | Slimbridge U18 | 3-4 | Larkhall Athletic U18s | ||
| Monday 20th July 2026 | Friendly | Dursley Town Boys U18 | 2-1 | Slimbridge U18 | ||
| Thursday 23rd July 2026 | Friendly | Pershore Town U18 | 1-5 | Slimbridge U18 | ||
| Monday 27th July 2026 | Friendly | Slimbridge U18 | 1-1 | Yate Town U18 | ||
| Monday 3rd August 2026 | Friendly | Slimbridge U18 | 1-1 | Mangotsfield United U18 | ||
| Monday 10th August 2026 | Friendly | Dursley Town Boys U18 | 0-5 | Slimbridge U18 | ||
| Monday 17th August 2026 | Friendly | Slimbridge U18 | 3-0 | Weston-Super-Mare U18s |