Stadium: Court 13 Round: 27 Ground: Clay
| ITF M25 Canberra | 2023/03/16 00:30 | Colin Sinclair v Jeremy Beale | 6-2,6-2 |
| ITF M25 Canberra | 2023/03/14 02:00 | Colin Sinclair v Calum Puttergill | 6-3,6-2 |
| Challenger Pune | 2023/02/27 05:30 | Akira Santillan v Colin Sinclair | 6-7,7-5,6-2 |
| Challenger Pune | 2023/02/26 05:30 | Colin Sinclair v S D Prajwal Dev | 6-3,6-4 |
| Challenger Bengaluru | 2023/02/20 07:30 | Colin Sinclair v Alibek Kachmazov | 5-7,2-6 |
| Challenger Bengaluru | 2023/02/19 11:50 | Jay Clarke v Colin Sinclair | 4-6,5-7 |
| Challenger Manama | 2023/02/15 11:15 | Tomas Machac v Colin Sinclair | 6-0,6-2 |
| Challenger Manama | 2023/02/14 11:35 | Colin Sinclair v Andrea Arnaboldi | 7-6,2-6,6-3 |
| ITF M25 Canberra | 2023/03/16 01:05 | Tatsuma Ito v Matthew Romios | 6-3,1-6,6-3 |
| ITF M25 Canberra | 2023/03/14 03:10 | Thomas Braithwaite v Tatsuma Ito | 6-4,4-6,6-7 |
| Challenger Yokohama | 2022/11/01 01:00 | Nam Hoang Ly v Tatsuma Ito | 6-4,4-6,0-6 |
| ATP Tokyo | 2022/10/01 07:05 | Rio Noguchi v Tatsuma Ito | 6-0,6-2 |
| ATP Seoul | 2022/09/24 02:00 | Nicolas Jarry v Tatsuma Ito | 6-2,6-1 |
| ITF M25 Sapporo | 2022/09/10 02:40 | Tatsuma Ito v Shintaro Imai | 5-7,6-2,7-6 |
| ITF M25 Sapporo | 2022/09/09 02:25 | Tatsuma Ito v Ryusuke Horiuchi | 6-3,6-2 |
| ITF M25 Sapporo | 2022/09/08 01:00 | Tatsuma Ito v Asahi Harazaki | 6-2,6-2 |