Stadium: Court 10 Round: 62 Ground: Clay
| ITF M15 Gdynia | 2021/08/08 08:00 | Yujiro Onuma v Jan Jermar | 6-4,2-6,10-5 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 13:00 | Yujiro Onuma v Vojtech Vlkovsky | 1-6,0-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 08:00 | Yujiro Onuma v Piotr Pawlak | 3-6,6-3,10-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 09:55 | Dominik Langmajer v Yujiro Onuma | 3-6,3-6 |
| LTA British Tour | 2020/09/04 10:00 | Yujiro Onuma v Jonathan Gray | 3-6,3-6 |
| ITF M25 Sunderland | 2020/02/23 12:25 | Yujiro Onuma v Hendrik Jebens | 6-7,2-6 |
| ITF M25 Glasgow | 2020/02/16 16:15 | Yujiro Onuma v Tom Hands | 2-6,2-6 |
| ITF M25 Shrewsbury | 2019/09/23 15:35 | Elliott Farmer v Yujiro Onuma | 6-3,6-4 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Max Basing v Leonardo Aboian | 6-4,3-6,10-4 |
| UK Pro League | 2021/07/18 10:00 | Max Basing v Lui Maxted | 6-3,6-4 |
| UK Pro League | 2021/07/17 10:00 | Julian Cash v Max Basing | 7-6,6-3 |
| UK Pro League | 2021/07/15 17:55 | Max Basing v Sean Hodkin | 6-4,6-2 |
| UK Pro League | 2021/07/14 14:30 | Llewelyn Bevan v Max Basing | 3-6,1-6 |
| ITF M15 Antalya | 2021/02/22 07:00 | Max Basing v Filip Misolic | 2-6,4-6 |
| ITF M15 Antalya | 2021/02/14 06:00 | Max Basing v Aleksandr Braynin | 6-3,5-7,5-10 |
| ITF M15 Antalya | 2021/02/07 06:00 | Luis Patino v Max Basing | 6-4,7-6 |