Stadium: Center A Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/07 01:00 | Tomohiro Masabayashi v Daisuke Sumizawa | 3-6,3-6 |
| ITF M25 Sapporo | 2023/09/06 01:00 | Keisuke Saitoh v Tomohiro Masabayashi | 4-6,6-3,1-6 |
| ITF M25 Sapporo | 2023/09/04 01:00 | Tomohiro Masabayashi v Chih Chi Huang | 6-3,6-3 |
| ITF M25 Tainan | 2023/08/24 02:00 | Ergi Kirkin v Tomohiro Masabayashi | 6-4,6-3 |
| ITF M25 Tainan | 2023/08/23 04:55 | Chien Hsun Lo v Tomohiro Masabayashi | 7-5,5-7,3-6 |
| ITF M25 Tainan | 2023/08/17 02:00 | Tomohiro Masabayashi v Makoto Ochi | 6-7,1-6 |
| ITF M15 Jakarta | 2023/06/27 05:00 | Nathan Anthony Barki v Tomohiro Masabayashi | 6-2,6-4 |
| ITF M15 Jakarta | 2023/06/17 02:00 | Omar Jasika v Tomohiro Masabayashi | 6-1,6-1 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Toru Horie v Omar Fields | 6-3,3-6,9-11 |
| ITF M25 Sapporo | 2023/09/04 00:55 | Hiroki Sakagawa v Omar Fields | 5-7,6-3,13-11 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/08/27 03:30 | Mitsuki Wei Kang Leong v Omar Fields | 6-2,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/08/24 05:30 | Omar Fields v Palaphoom Kovapitukted | 6-7,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/23 05:35 | Nitin Kumar Sinha v Omar Fields | 5-7,1-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/21 05:55 | Linh Giang Trinh v Omar Fields | 5-7,6-4,7-10 |
| ITF M15 Nakhon Si Thammarat | 2023/08/20 06:40 | Omar Fields v Patrik Oplustil | 6-3,6-4 |
| UTR Pro Carrara | 2023/08/12 02:00 | Tai Leonard Sach v Omar Fields | 6-4,7-6 |