Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Matsuyama | 2023/11/06 01:00 | Zhe Li v Tatsuma Ito | 4-6,6-4,6-2 |
| Challenger Matsuyama | 2023/11/05 04:00 | Tatsuma Ito v Sanhui Shin | 7-6,6-3 |
| ITF M25 Takasaki | 2023/09/21 05:15 | Tatsuma Ito v Koki Matsuda | 7-6,1-6,6-3 |
| ITF M25 Takasaki | 2023/09/20 02:45 | Tatsuma Ito v Toa Maeda | 6-3,6-0 |
| ITF M25 Sapporo | 2023/09/12 02:00 | Naoki Tajima v Tatsuma Ito | 3-6,1-6 |
| ITF M25 Sapporo | 2023/09/07 03:00 | Ryotaro Matsumura v Tatsuma Ito | 7-6,6-4 |
| ITF M25 Sapporo | 2023/09/06 03:35 | Seita Watanabe v Tatsuma Ito | 6-4,4-6,4-6 |
| ITF M25 Hong Kong | 2023/08/30 02:00 | Kasidit Samrej v Tatsuma Ito | 6-1,6-4 |
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Kousuke Ogura v Evan Bynoe | 6-1,2-6,2-6 |
| ITF M25 Sapporo | 2023/09/15 03:20 | Kousuke Ogura v Kazuki Nishiwaki | 4-6,7-5,2-6 |
| ITF M25 Sapporo | 2023/09/12 07:10 | Sanhui Shin v Kousuke Ogura | 7-5,4-6,6-7 |
| ITF M25 Sapporo | 2023/09/05 02:00 | Jumpei Yamasaki v Kousuke Ogura | 6-4,6-4 |
| Challenger Lima | 2023/08/20 18:20 | Sebastian Rodriguez v Kousuke Ogura | 6-4,7-5 |
| Challenger Santo Domingo | 2023/08/07 21:00 | Jorge Panta v Kousuke Ogura | 4-6,6-1,6-2 |
| ITF M15 Pittsburgh | 2023/07/27 15:00 | Kousuke Ogura v Felix Corwin | 6-2,5-7,1-6 |
| ITF M15 Pittsburgh | 2023/07/25 16:00 | Kousuke Ogura v Enrique Pena | 7-5,6-3 |