| ITF M25 Grodzisk Mazowiecki | 08/01 09:55 | 44 | Dominik Langmajer v Yujiro Onuma | 3-6,3-6 | |
| LTA British Tour | 09/04 10:00 | 1 | Yujiro Onuma v Jonathan Gray | 3-6,3-6 | |
| ITF M25 Sunderland | 02/23 12:25 | 54 | Yujiro Onuma v Hendrik Jebens | 6-7,2-6 | |
| ITF M25 Glasgow | 02/16 16:15 | 54 | Yujiro Onuma v Tom Hands | 2-6,2-6 | |
| ITF M25 Shrewsbury | 09/23 15:35 | 54 | Elliott Farmer v Yujiro Onuma | 6-3,6-4 | |
| ITF M25 Shrewsbury | 09/23 11:15 | 54 | Yujiro Onuma v Cheraag Bajwa | 1-6,6-1,10-6 |