Round: 1
| UK Pro League | 2021/09/29 09:30 | Weightman, Oscar v David Quayle | 7-6,7-5 |
| UK Pro League | 2021/09/28 09:30 | Weightman, Oscar v George Houghton | 6-7,7-6,7-10 |
| ITF M15 Melilla | 2021/09/21 16:35 | Weightman, Oscar v Mario Mansilla Diez | 1-6,6-2,0-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Weightman, Oscar v Ivan Kazakov | 6-3,2-6,1-10 |
| ITF M15 Parnu | 2021/08/04 08:35 | Ergi Kirkin v Weightman, Oscar | 6-2,4-6,7-5 |
| UK Pro League | 2021/07/18 15:43 | Jack Gibbens v Weightman, Oscar | 3-6,6-4,0-0 |
| UK Pro League | 2021/07/18 14:30 | Weightman, Oscar v Jack Gibbens | 6-3,4-6,11-13 |
| UK Pro League | 2021/07/16 10:00 | Weightman, Oscar v Liam Hignett | 7-6,6-4 |
| UK Pro League | 2021/09/29 12:30 | George Houghton v Mackinlay, James | 6-2,6-4 |
| UK Pro League | 2021/09/27 15:30 | David Quayle v Mackinlay, James | 6-1,6-2 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/09 12:30 | Hersey, Jake v Mackinlay, James | 6-4,7-6 |
| ITF M25 Shrewsbury | 2019/09/23 12:25 | Farmer, Elliott v Mackinlay, James | 6-4,6-2 |
| Minsk, Singles M-ITF-BLR-01A | 2019/08/19 09:10 | Leonid Sheyngezikht v Mackinlay, James | 4-6,6-2,10-7 |
| Dublin, Singles Qualifying M-ITF-IRL-01A | 2019/07/30 09:00 | Mackinlay, James v Tadas Babelis | 3-6,2-6 |
| Dublin, Singles Qualifying M-ITF-IRL-01A | 2019/07/29 09:00 | Meehan, Harry David v Mackinlay, James | 4-6,6-3,7-10 |
| ITF M15 Cairo | 2019/04/29 08:00 | Mackinlay, James v Chilakalapudi, Tarun Anirudh | 4-6,7-6,9-11 |