| UTR Pro Miki | 2023/04/15 06:15 | Bang Shuo Yin v Graham Maassen | 6-4,3-6,7-5 |
| UTR Pro Miki | 2023/04/14 00:30 | Lemiel Kei Taira v Graham Maassen | 4-6,4-6 |
| UTR Pro Miki | 2023/04/13 06:45 | Ryotaro Matsumura v Graham Maassen | 6-0,6-2 |
| UTR Pro Miki | 2023/04/11 00:30 | Taketo Takamisawa v Graham Maassen | 6-1,6-1 |
| UTR Pro Miki | 2023/04/10 05:30 | Graham Maassen v Kento Tagashira | 6-4,3-6,2-6 |
| ITF M25 Santo Domingo Qual | 2023/02/19 17:55 | Yannik Rahman v Graham Maassen | 6-4,6-1 |
| ITF M25 Santo Domingo | 2023/02/14 13:00 | Justin Roberts v Graham Maassen | 6-1,2-6,11-9 |
| ITF M25 Santo Domingo | 2023/02/13 17:30 | Graham Maassen v Tanguy Genier | 6-3,6-0 |
| UTR Pro Miki | 2023/04/15 09:11 | Brody Nejedly v Ying-Ze Chen | 7-5,2-6,6-3 |
| UTR Pro Miki | 2023/04/14 05:00 | Ying-Ze Chen v Mao Takada | 2-6,7-6,6-2 |
| UTR Pro Miki | 2023/04/13 00:30 | Ying-Ze Chen v Riku Takahata | 1-6,2-6 |
| UTR Pro Miki | 2023/04/12 03:17 | Kosuke Shibano v Ying-Ze Chen | 6-2,6-4 |
| UTR Pro Miki | 2023/04/11 05:10 | Wakamatsu Taichi v Ying-Ze Chen | 6-3,6-4 |
| ITF M15 Chennai | 2023/04/02 06:00 | Ying-Ze Chen v Sai K R Ganta | 1-6,5-7 |
| ITF M25 Monastir | 2023/02/20 14:30 | Jie Cui v Ying-Ze Chen | 6-2,6-4 |
| ITF M25 Monastir | 2023/02/20 09:55 | Ying-Ze Chen v Bharath Nishok Kumaran | 3-6,6-2,10-4 |