Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2023/06/03 07:00 | Sora Fukuda v Tatsuma Ito | 6-7,6-7 |
| 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 |
| Challenger Winnipeg | 2023/08/14 16:00 | Kiranpal Pannu v Tatsuma Ito | 7-5,4-6,6-1 |
| Challenger Winnipeg | 2023/08/13 16:00 | Keegan Rice v Tatsuma Ito | 4-6,5-7 |
| ITF M25 Takasaki | 2023/09/21 02:00 | Ryotaro Matsumura v Sora Fukuda | 1-6,1-6 |
| ITF M25 Takasaki | 2023/09/20 04:20 | Jumpei Yamasaki v Sora Fukuda | 1-6,6-2,4-6 |
| ITF M25 Sapporo | 2023/09/09 01:55 | Sora Fukuda v Daisuke Sumizawa | 4-6,4-6 |
| ITF M25 Sapporo | 2023/09/08 01:00 | Sora Fukuda v Ryotaro Matsumura | 4-6,6-3,6-4 |
| ITF M25 Sapporo | 2023/09/07 02:40 | Sora Fukuda v Issei Okamura | 6-1,6-2 |
| ITF M25 Sapporo | 2023/09/05 02:00 | Sora Fukuda v Yuta Kikuchi | 7-6,7-5 |
| UTR Pro Noda | 2023/08/27 02:30 | Sora Fukuda v Naoya Honda | 6-3,6-3 |
| UTR Pro Noda | 2023/08/26 03:17 | Sora Fukuda v Yuta Tomida | 6-2,5-1 |