Stadium: Court 10 Round: 25 Ground: Clay
| ITF M25 Canberra | 2023/03/14 01:05 | Keisuke Saitoh v Jeremy Jin | 5-7,2-6 |
| ITF M25 Monastir | 2023/02/20 08:30 | Keisuke Saitoh v Ioannis Xilas | 3-6,3-6 |
| ITF M25 Monastir | 2023/02/13 11:30 | Keisuke Saitoh v Mayeul Darras | 6-2,6-7,9-11 |
| ITF M25 Monastir | 2023/02/12 08:30 | Keisuke Saitoh v Vitali Shvets | 6-3,6-1 |
| ITF M25 Monastir | 2023/02/07 12:00 | Arthur Bouquier v Keisuke Saitoh | 6-4,6-4 |
| ITF M25 Monastir | 2023/02/02 11:30 | Keisuke Saitoh v Mathias Bourgue | 4-6,6-4,2-6 |
| ITF M25 Monastir | 2023/02/01 11:35 | Keisuke Saitoh v Louis Tessa | 6-2,4-6,6-3 |
| ITF M15 Jakarta | 2023/01/28 08:30 | Nicholas David Ionel v Keisuke Saitoh | 6-1,7-6 |
| ITF M25 Canberra | 2023/03/15 00:50 | Hans C B Gonzalez v Derek Pham | 1-6,6-1,7-5 |
| ITF M25 Swan Hill | 2023/03/01 23:00 | Luke Saville v Derek Pham | 6-3,6-3 |
| ITF M25 Swan Hill | 2023/02/28 22:55 | Nicholas Jovanovski v Derek Pham | 4-6,4-6 |
| ITF M25 Swan Hill | 2023/02/21 05:15 | Derek Pham v Thomas Fancutt | 4-6,4-6 |
| ITF M25 Burnie | 2023/02/08 06:55 | Derek Pham v Matthew Romios | 6-7,6-4,6-7 |
| Challenger Burnie | 2023/01/30 00:50 | Daisuke Sumizawa v Derek Pham | 6-4,3-6,6-3 |
| Challenger Burnie | 2023/01/29 03:15 | Rhys Searant v Derek Pham | 3-6,3-6 |
| ITF M15 Jakarta | 2023/01/25 08:05 | Derek Pham v Sidharth Rawat | 6-7,5-7 |