Stadium: Royal SC Tennis - Court 01 Ground: Hardcourt outdoor
Referee:
| ITF M25 Takasaki | 2023/09/21 03:50 | Collin Altamirano v Hiroyasu Ehara | 6-4,6-1 |
| ITF M25 Takasaki | 2023/09/19 02:30 | Hiroyasu Ehara v Yusuke Takahashi | 7-5,6-4 |
| ITF M25 Takasaki | 2023/09/18 02:40 | Yusuke Kusuhara v Hiroyasu Ehara | 6-1,4-6,6-10 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Hiroki Sakagawa v Hiroyasu Ehara | 6-7,6-1,10-6 |
| 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 Tanagura | 2024/10/20 00:30 | Riku Takahata v Ryoto Tachi | 6-3,6-4 |
| ITF M25 Sharm El Sheikh | 2024/10/16 09:30 | Ilia Simakin v Ryoto Tachi | 6-1,6-3 |
| ITF M25 Sharm El Sheikh | 2024/10/15 07:00 | Pavel Verbin v Ryoto Tachi | 4-6,6-3,10-12 |
| ITF M25 Sharm El Sheikh | 2024/10/14 09:15 | Ryoto Tachi v Breno R Urvaneja | 6-3,6-4 |
| ITF M25 Sharm El Sheikh | 2024/10/13 08:30 | Henri Haupt v Ryoto Tachi | 4-6,1-6 |
| ITF M15 Sharm El Sheikh | 2024/10/07 07:00 | Peter Alam v Ryoto Tachi | 6-7,7-6,10-8 |
| ITF M15 Sharm El Sheikh | 2024/10/01 08:45 | Ryoto Tachi v Emirhan Bulut | 6-1,4-6,10-12 |
| ITF M15 Sharm El Sheikh | 2024/09/29 07:00 | Cedric Stanke v Ryoto Tachi | 3-6,3-6 |