Stadium: 5 Round: 54 Ground: Hardcourt outdoor
| ITF - M25 Nottingham | 2023/07/09 13:55 | Corey Gaal v Onuma, Yujiro | 7-6,4-6,11-9 |
| ITF - M25 Nottingham | 2023/07/11 10:00 | Corey Gaal v Benjamin Lock | 3-6,1-6 |
| ITF - M25 Nottingham | 2023/07/10 11:25 | Corey Gaal v Murphy, Brandon | 6-4,6-4 |
| ITF - M25 Nottingham | 2023/07/09 13:55 | Corey Gaal v Onuma, Yujiro | 7-6,4-6,11-9 |
| ITF - M15 Celje | 2023/06/26 09:25 | Corey Gaal v Emesz, Benedikt | 4-6,5-7 |
| ITF M15 Store | 2023/06/22 12:10 | Corey Gaal v Pawel Juszczak | 7-6,0-6,1-6 |
| ITF M15 Store | 2023/06/21 10:30 | Domagoj Biljesko v Corey Gaal | 5-7,5-7 |
| ITF M15 Store | 2023/06/20 08:00 | Corey Gaal v Dudun, Igor | 6-2,6-4 |
| ITF M15 Store | 2023/06/19 10:40 | Corey Gaal v Mak Mikovic | 6-2,6-2 |
| ITF - M25 Nottingham | 2023/07/09 13:55 | Corey Gaal v Onuma, Yujiro | 7-6,4-6,11-9 |
| UTR Pro London | 2023/05/20 11:40 | Stefan Cooper v Onuma, Yujiro | 1-0 |
| UTR Pro London | 2023/05/19 08:30 | Onuma, Yujiro v Petrovic, Luka | 2-6,3-6 |
| UTR Pro London | 2023/05/17 07:00 | Onuma, Yujiro v Anthony Weingarten | 6-1,6-1 |
| UTR Pro London | 2023/05/16 08:30 | Onuma, Yujiro v Janos Fekete | 3-6,3-6 |
| UTR Pro London | 2023/05/15 07:00 | Ed Pudney v Onuma, Yujiro | 4-6,0-6 |
| ITF - M25 Nottingham | 2023/05/01 10:50 | Onuma, Yujiro v Freddy Blaydes | 0-6,4-6 |
| ITF - M25 Nottingham - Qualif. | 2023/04/30 10:05 | Ying Hou v Onuma, Yujiro | 3-6,1-6 |