Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2022/02/07 12:30 | Ryuki Matsuda v Shinji Hazawa | 6-4,5-7,13-11 |
| ITF M15 Monastir | 2023/03/16 08:30 | Ryuki Matsuda v Stefano Napolitano | 4-6,5-7 |
| ITF M15 Monastir | 2023/03/14 10:30 | Alexander Frusina v Ryuki Matsuda | 1-6,1-6 |
| ITF M15 Monastir | 2023/03/08 13:00 | Ryuki Matsuda v Hikaru Shiraishi | 3-6,3-6 |
| ITF M15 Monastir | 2023/03/04 08:50 | Adrien Gobat v Ryuki Matsuda | 7-6,6-1 |
| ITF M15 Monastir | 2023/03/03 10:00 | Leonardo Rossi v Ryuki Matsuda | 4-6,6-7 |
| ITF M15 Monastir | 2023/03/02 10:20 | Taiyo Yamanaka v Ryuki Matsuda | 0-6,2-6 |
| ITF M15 Monastir | 2023/02/28 10:10 | Ryuki Matsuda v Bogdan Bobrov | 6-4,7-5 |
| ITF M15 Monastir | 2023/02/23 09:30 | Franco Roncadelli v Ryuki Matsuda | 1-6,7-5,6-2 |
| Challenger Puerto Vallarta | 2023/03/05 19:55 | Gabriel Decamps v Shinji Hazawa | 6-4,6-3 |
| Challenger Rome GA | 2023/02/20 15:00 | Shinji Hazawa v Gabriele Thomas Brancatelli | 3-6,6-7 |
| Challenger Rome GA | 2023/02/19 17:00 | Shinji Hazawa v Garrett Johns | 5-7,6-4,6-4 |
| ITF M25 Burnie | 2023/02/10 00:50 | Alex Bolt v Shinji Hazawa | 2-6,7-6,6-2 |
| ITF M25 Burnie | 2023/02/08 23:00 | Jake Delaney v Shinji Hazawa | 0-6,7-5,3-6 |
| ITF M25 Burnie | 2023/02/07 00:25 | Shinji Hazawa v Makoto Ochi | 6-3,6-1 |
| Challenger Burnie | 2023/01/31 23:00 | Thomas Fancutt v Shinji Hazawa | 4-6,6-3,6-3 |
| Challenger Burnie | 2023/01/31 03:20 | Shinji Hazawa v Charlie Camus | 6-4,2-6,7-6 |