16.04.18 | 1/4 | Denys Klok/Vladimir Korolev | Jae-Min Seol/Min-Kyu Song | 6-3, 4-6, 10-4 |  | match details | Kazakhstan F4 | Clay |
16.04.18 | 1st round | Jae-Min Seol/Min-Kyu Song | Oleksandr Bielinskyi/Pavel Kotov | 6-2, 6-2 |  | match details |
09.04.18 | 1/4 | Jae-Min Seol/Min-Kyu Song | Alexander Pavlioutchenkov/Evgenii Tiurnev | 2-6, 6-1, 10-8 |  | match details | Kazakhstan F3 | Clay |
09.04.18 | 1/2 | Jae-Min Seol/Min-Kyu Song | Aleksandre Metreveli/Denis Yevseyev | 6-4, 7-64 |  | match details |
09.04.18 | fin | Jae-Min Seol/Min-Kyu Song | Timur Khabibulin/Dzmitry Zhyrmont | 7-5, 6-3 |  | match details |
09.04.18 | 1st round | Jae-Min Seol/Min-Kyu Song | Artem Dubrivnyy/Denys Klok | 6-4, 6-2 |  | match details |
19.03.18 | 1st round | Jae-Min Seol/Min-Kyu Song | Sora Fukuda/Arata Onozawa | 4-6, 6-3, 10-8 |  | match details | Japan F3 | Hard |
19.03.18 | 1/4 | Jae-Min Seol/Min-Kyu Song | Shintaro Imai/Takuto Niki | 6-3, 6-3 |  | match details |
19.03.18 | 1/2 | Jae-Min Seol/Min-Kyu Song | Naoki Nakagawa/Jumpei Yamasaki | 6-0, 2-6, 10-4 |  | match details |
19.03.18 | fin | Hiroyasu Ehara/Sho Katayama | Jae-Min Seol/Min-Kyu Song | 7-5, 7-65 |  | match details |
12.03.18 | 1/4 | Tae-Woo Lee/Yong-Kyu Lim | Jae-Min Seol/Min-Kyu Song | 7-62, 7-5 |  | match details | Japan F2 | Hard |
12.03.18 | 1st round | Jae-Min Seol/Min-Kyu Song | Issei Okamura/Shuichi Sekiguchi | 6-4, 7-64 |  | match details |