Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Hong Kong | 2023/08/31 04:50 | Collin Altamirano v Ajeet Rai | 3-6,3-6 |
| ITF M25 Hong Kong | 2023/08/29 04:05 | Nathan Anthony Barki v Collin Altamirano | 2-6,6-4,2-6 |
| ITF M25 Hong Kong | 2023/08/28 03:25 | Collin Altamirano v Zhao Zhao | 6-2,6-2 |
| ITF M25 Hong Kong | 2023/08/27 04:00 | Collin Altamirano v Chun-Ming Yam | 6-1,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/08/25 03:55 | Collin Altamirano v Palaphoom Kovapitukted | 3-6,7-5,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/24 05:35 | Siddhant Banthia v Collin Altamirano | 5-7,2-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/23 05:40 | Taiyo Yamanaka v Collin Altamirano | 6-3,1-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/21 06:00 | Qian Sun v Collin Altamirano | 7-5,6-7,1-10 |
| ITF M25 Kashiwa | 2023/04/05 02:40 | Rimpei Kawakami v Hiroyasu Ehara | 6-0,6-0 |
| ITF M25 Kashiwa | 2023/04/03 02:30 | Hiroyasu Ehara v Naoki Tajima | 6-4,6-2 |
| ITF M25 Kashiwa | 2023/04/02 04:00 | Yuichiro Inui v Hiroyasu Ehara | 4-6,2-6 |
| ITF M15 Antalya | 2023/03/14 11:20 | Gabriele Pennaforti v Hiroyasu Ehara | 6-0,6-2 |
| ITF M15 Antalya | 2023/03/13 16:10 | Jiri Jenicek v Hiroyasu Ehara | 2-6,1-6 |
| ITF M15 Antalya | 2023/03/12 10:30 | Filippo Verdese v Hiroyasu Ehara | 1-6,1-6 |
| ITF M15 Antalya | 2023/03/01 07:00 | Hiroyasu Ehara v Dominik Kellovsky | 3-6,2-6 |
| ITF M15 Antalya | 2023/02/28 07:00 | Igor Gimenez v Hiroyasu Ehara | 6-7,3-6 |