Stadium: Court E Round: 27 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tama | 2019/03/08 02:25 | Hiroyasu Ehara v Yuki Mochizuki | 6-3,4-6,7-5 |
| ITF M15 Nishi-Tama | 2019/03/05 03:30 | Hiroyasu Ehara v Keigo Shimizu | 6-1,6-0 |
| ITF M15 Antalya | 2019/01/17 11:30 | Alexander Shevchenko v Hiroyasu Ehara | 6-3,6-1 |
| ITF M15 Antalya | 2019/01/17 07:00 | Matej Sabanov v Hiroyasu Ehara | 4-6,7-6,4-6 |
| Challenger Kobe | 2018/11/13 04:30 | Tung-Lin Wu v Hiroyasu Ehara | 6-3,6-2 |
| ITF Thailand F8 | 2018/11/06 08:35 | Hiroyasu Ehara v Antoine Bellier | 4-6,4-6 |
| ITF Thailand F7 | 2018/11/01 02:00 | Seong Chan Hong v Hiroyasu Ehara | 2-6,6-4,6-3 |
| ITF Thailand F7 | 2018/10/31 05:50 | Kuan-Yi Lee v Hiroyasu Ehara | 0-6,1-6 |
| ITF M15 Nishi-Tama | 2019/03/06 04:00 | Takuto Niki v Ji Sung Nam | 4-6,2-6 |
| Challenger Da Nang | 2019/01/06 08:35 | Ji Sung Nam v N.Sriram Balaji | 6-7,6-7 |
| Challenger Kobe | 2018/11/12 06:35 | Nam Hoang Ly v Ji Sung Nam | 6-7,7-6,6-2 |
| Challenger Shenzhen 2 | 2018/10/28 02:30 | Yaraslav Shyla v Ji Sung Nam | 7-6,2-6,6-3 |
| Challenger Shenzhen 2 | 2018/10/27 02:00 | Yuanfeng Li v Ji Sung Nam | 4-6,1-6 |
| Challenger Liuzhou | 2018/10/20 04:30 | Yecong He v Ji Sung Nam | 2-6,6-3,6-2 |
| ITF Korea F5 | 2018/08/26 03:00 | Ji Sung Nam v Makoto Ochi | 6-4,6-1 |
| ITF Korea F5 | 2018/08/25 01:00 | Cheong-Eui Kim v Ji Sung Nam | 2-6,3-6 |