| Challenger Kobe | 11/13 04:30 | 25 | [487] Tung-Lin Wu v Hiroyasu Ehara [457] | 6-3,6-2 | |
| ITF Thailand F8 | 11/06 08:35 | 25 | [465] Hiroyasu Ehara v Antoine Bellier [456] | 4-6,4-6 | |
| ITF Thailand F7 | 11/01 02:00 | 27 | Seong Chan Hong v Hiroyasu Ehara | 2-6,6-4,6-3 | |
| ITF Thailand F7 | 10/31 05:50 | 26 | Kuan-Yi Lee v Hiroyasu Ehara | 0-6,1-6 | |
| ITF Thailand F7 | 10/30 07:05 | 25 | Young Seok Kim v Hiroyasu Ehara | 6-7,1-6 | |
| ITF Australia F8 | 10/14 00:00 | 28 | Hiroyasu Ehara v Colin Sinclair | 6-2,1-6,3-6 | |
| ITF Australia F8 | 10/12 00:00 | 27 | Calum Puttergill v Hiroyasu Ehara | 2-6,6-3,1-6 | |
| ITF Australia F8 | 10/11 00:30 | 26 | Moerani Bouzige v Hiroyasu Ehara | 2-6,2-6 | |
| ITF Australia F8 | 10/09 00:00 | 25 | [399] Aoran Wang v Hiroyasu Ehara [473] | 1-6,3-6 | |
| ITF Australia F7 | 10/05 00:00 | 27 | Colin Sinclair v Hiroyasu Ehara | 6-3,6-4 | |
| ITF Australia F7 | 10/04 00:00 | 26 | Rhett Purcell v Hiroyasu Ehara | 3-6,4-6 | |
| ITF Australia F7 | 10/02 00:00 | 25 | Matthew Romios v Hiroyasu Ehara | 1-6,6-7 | |
| ITF Canada F7 | 09/11 18:05 | 25 | Hiroyasu Ehara v Felix Corwin | 3-6,3-6 | |
| ITF Canada F6 | 09/07 15:00 | 27 | Felix Corwin v Hiroyasu Ehara | 6-3,6-4 | |
| ITF Canada F6 | 09/06 15:25 | 26 | A.J Catanzariti v Hiroyasu Ehara | 4-6,3-6 | |
| ITF Canada F6 | 09/04 16:45 | 25 | Vasil Kirkov v Hiroyasu Ehara | 5-7,0-6 | |
| Challenger Gwangju | 08/14 08:25 | 25 | [402] Hiroyasu Ehara v Karim-M Maamoun [356] | 1-6,6-7 | |
| Challenger Jinan | 08/07 09:15 | 25 | [380] Yusuke Takahashi v Hiroyasu Ehara [400] | 6-4,6-3 | |
| Challenger Chengdu Qual | 07/29 05:40 | 54 | [369] Hiroyasu Ehara v Blake Ellis [462] | 3-6,3-6 | |
| Challenger Chengdu Qual | 07/28 08:05 | 46 | Hiroyasu Ehara v Runhao Hua | 7-5,4-6,7-6 | |
| Challenger Astana | 07/17 06:05 | 25 | [369] Hiroyasu Ehara v Ivan Gakhov [339] | 3-6,6-7 | |
| ITF Guam F1 | 06/23 00:00 | 28 | Hiroyasu Ehara v Yuta Shimizu | 6-3,2-6,3-6 | |
| ITF Guam F1 | 06/22 00:00 | 27 | [350] Hiroyasu Ehara v Sho Katayama [482] | 7-6,6-4 | |
| ITF Guam F1 | 06/20 02:00 | 26 | Hiroyasu Ehara v Naru Shirafuji | 6-4,6-3 | |
| ITF Guam F1 | 06/18 02:10 | 25 | Hiroyasu Ehara v Ren Nakamura | 6-4,6-4 | |
| ITF China F8 | 06/09 05:15 | 28 | [340] Hiroyasu Ehara v Zhe Li [322] | 3-6,6-7 | |
| ITF China F8 | 06/08 04:10 | 27 | [438] Sho Katayama v Hiroyasu Ehara [340] | 0-6,2-6 | |
| ITF China F8 | 06/06 03:25 | 26 | RunYu Zhao v Hiroyasu Ehara | 3-6,1-6 | |
| ITF China F8 | 06/04 03:25 | 25 | Qun Gao v Hiroyasu Ehara | 4-6,7-6,2-6 | |
| ITF China F7 | 05/31 04:30 | 26 | Hiroyasu Ehara v Yecong He | 6-4,4-6,1-6 |