Stadium: Court 3 Round: 29 Ground: Hardcourt outdoor
| ITF Japan F3 MD | 2018/03/23 01:30 | Seol/Song v Nakagawa/Yamasaki | 6-0,2-6,10-4 |
| ITF Japan F3 MD | 2018/03/22 09:45 | Imai/Niki v Seol/Song | 3-6,3-6 |
| ITF Japan F3 MD | 2018/03/19 08:10 | Fukuda/Onozawa v Seol/Song | 6-4,3-6,8-10 |
| ITF Japan F2 MD | 2018/03/14 04:00 | Seol/Song v Lee/Lim | 6-7,5-7 |
| ITF Japan F2 MD | 2018/03/13 05:15 | Okamura/Sekiguchi v Seol/Song | 4-6,6-7 |
| ITF Thailand F7 MD | 2017/10/03 12:05 | Seol/Song v Ehara/Takeshima | 6-4,1-6,8-10 |
| ITF Korea F5 MD | 2017/06/27 05:55 | Hong/Lee v Seol/Song | 6-3,2-6,14-12 |
| ITF Korea F4 MD | 2017/06/24 05:10 | Lim/Noh v Seol/Song | 6-3,6-2 |
| ITF Japan F3 MD | 2018/03/23 01:30 | Kikuchi/Takeshima v Ehara/Katayama | 6-7,5-7 |
| ITF Japan F3 MD | 2018/03/22 09:10 | Lee/Lim v Ehara/Katayama | 6-7,3-6 |
| ITF Japan F3 MD | 2018/03/19 07:55 | Hashikawa/Oku v Ehara/Katayama | 4-6,3-6 |
| ITF Japan F2 MD | 2018/03/13 06:55 | Lee/Lim v Ehara/Katayama | 7-6,3-6,10-8 |
| Challenger Yokohama Qual MD | 2018/02/25 04:00 | Ehara/Katayama v Donati/Leshem | 6-7,3-6 |
| ITF China F14 MD | 2017/07/28 07:00 | Huang/Wang v Ehara/Katayama | 3-6,3-6 |
| ITF China F14 MD | 2017/07/26 06:00 | Kim/Sekiguchi v Ehara/Katayama | 4-6,1-6 |
| ITF China F14 MD | 2017/07/24 09:55 | Ehara/Katayama v Chiu/Lee | 7-5,7-6 |