| ITF M25 Santo Domingo Qual | 2023/02/19 17:55 | Yannik Rahman v Maassen, Graham | 6-4,6-1 |
| ITF M25 Santo Domingo | 2023/02/14 13:00 | 로베르츠, 유스틴 v Maassen, Graham | 6-1,2-6,11-9 |
| ITF M25 Santo Domingo | 2023/02/13 17:30 | Maassen, Graham v Genier, Tanguy | 6-3,6-0 |
| ITF M25 Santo Domingo | 2023/02/12 19:00 | Satyajit Simhadri v Maassen, Graham | 1-6,3-6 |
| UTR Pro Pozos | 2023/01/21 15:00 | Heaney-Secord, Christian v Maassen, Graham | 3-6,6-7 |
| UTR Pro Pozos | 2023/01/19 21:01 | Maassen, Graham v Manuel S Montemayor | 2-6,3-5 |
| UTR Pro Pozos | 2023/01/18 20:26 | Maassen, Graham v Tutu, Marshall | 7-6,3-6,5-7 |
| UTR Pro Pozos | 2023/01/17 18:00 | Maassen, Graham v Krish Arora | 2-6,6-4,7-6 |
| UTR Pro Miki | 2023/02/11 00:30 | Matsuda, Ryuki v 타가시라, 켄토 | 6-2,6-1 |
| UTR Pro Miki | 2023/02/09 00:30 | 타가시라, 켄토 v 카와하시, 유타 | 2-6,2-6 |
| UTR Pro Miki | 2023/02/08 04:00 | 타가시라, 켄토 v 이누이, 유이치로 | 4-6,3-6 |
| UTR Pro Miki | 2023/02/07 00:30 | 타가시라, 켄토 v Hiromasa Koyama | 6-3,7-5 |
| UTR Pro Tennis Series Miki | 2022/12/11 00:30 | 타가시라, 켄토 v Daisuke Inagawa | 6-4,6-4 |
| UTR Pro Tennis Series Miki | 2022/12/10 00:30 | 타가시라, 켄토 v So Ogiri | 6-0,3-6,5-4 |
| UTR Pro Tennis Series Miki | 2022/12/08 00:30 | 타가시라, 켄토 v Koki Matsuda | 4-6,4-6 |
| UTR Pro Tennis Series Miki | 2022/12/06 00:30 | 타가시라, 켄토 v Chen, Ying-Ze | 7-6,5-3 |