Estadio: C.1 Round: 25 Ground: Synthetic outdoor
| ITF Japón F8 | 2015/06/24 02:55 | Hiroyasu Ehara v Oh-Hee Kwon | 6-1,6-0 |
| ITF M15 Akishima | 2019/06/11 03:10 | Oh-Hee Kwon v Taiyo Hirano | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Cheong-Eui Kim v Oh-Hee Kwon | 4-6,6-3,6-0 |
| ITF M15 Daegu | 2019/06/05 01:00 | Ken Onishi v Oh-Hee Kwon | 2-6,2-6 |
| ITF Corea del Sur F6 | 2018/08/30 03:00 | Oh-Hee Kwon v Seong-Gook Oh | 4-6,1-6 |
| ITF Corea del Sur F6 | 2018/08/28 02:00 | Oh-Hee Kwon v Daisuke Sumizawa | 6-1,6-4 |
| ITF Corea del Sur F5 | 2018/08/22 02:00 | Oh-Hee Kwon v Hong Chung | 3-6,1-6 |
| ITF Corea del Sur F5 | 2018/08/21 03:00 | Jumpei Yamasaki v Oh-Hee Kwon | 4-6,4-6 |
| ITF Corea F4 | 2018/08/16 01:00 | Seong-Gook Oh v Oh-Hee Kwon | 6-4,6-4 |
| ITF M15 Guam | 2019/06/09 00:00 | Gengo Kikuchi v Hiroyasu Ehara | 6-2,6-2 |
| ITF M15 Guam | 2019/06/08 00:00 | Ko Suzuki v Hiroyasu Ehara | 4-6,1-6 |
| ITF M15 Guam | 2019/06/07 01:35 | Sho Katayama v Hiroyasu Ehara | 3-6,4-6 |
| ITF M15 Guam | 2019/06/06 01:25 | Jake Delaney v Hiroyasu Ehara | 2-6,3-6 |
| ITF M15 Guam | 2019/06/05 05:35 | Jurence Zosimo Mendoza v Hiroyasu Ehara | 4-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/23 06:05 | Rio Noguchi v Hiroyasu Ehara | 7-5,6-2 |
| ITF M25 Nonthaburi | 2019/05/22 08:05 | Hiroyasu Ehara v Alexander Crnokrak | 7-5,6-2 |
| ITF M25 Luan | 2019/05/14 05:15 | Hiroyasu Ehara v Issei Okamura | 4-6,2-6 |