Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Korea F3 | 2017/06/16 02:00 | Min-Kyu Song v Yong-Kyu Lim | 6-4,6-2 |
| ITF Korea F2 | 2017/06/08 01:00 | Yong-Kyu Lim v Min-Kyu Song | 6-7,2-6 |
| Challenger Busan Qual | 2018/05/12 04:05 | Yong-Kyu Lim v Wishaya Trongcharoenchaikul | 7-6,6-7,2-6 |
| Challenger Gimcheon Qual | 2018/05/06 04:30 | Yong-Kyu Lim v Wishaya Trongcharoenchaikul | 6-2,6-7,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 01:30 | Yong-Kyu Lim v Cheng-Peng Hsieh | 6-4,6-3 |
| Challenger Seoul Qual | 2018/04/29 04:55 | Renta Tokuda v Yong-Kyu Lim | 6-4,6-4 |
| Challenger Seoul Qual | 2018/04/28 04:30 | Yong-Kyu Lim v Frederik Nielsen | 6-4,6-1 |
| ITF Korea F5 | 2017/06/29 01:30 | Seong-Gook Oh v Yong-Kyu Lim | 6-4,6-4 |
| ITF Korea F5 | 2017/06/28 06:10 | In Kyo Jeong v Yong-Kyu Lim | 6-7,2-6 |
| ITF Korea F3 | 2017/06/16 02:00 | Min-Kyu Song v Yong-Kyu Lim | 6-4,6-2 |
| ITF Vietnam F3 | 2018/05/16 06:00 | Takashi Saito v Min-Kyu Song | 6-1,6-0 |
| ITF Vietnam F3 | 2018/05/14 03:00 | Quang T Tran v Min-Kyu Song | 1-6,1-6 |
| ITF Vietnam F2 | 2018/05/09 04:55 | Min-Kyu Song v Kelsey Stevenson | 0-6,6-7 |
| ITF Vietnam F2 | 2018/05/08 05:05 | Min-Kyu Song v Jonathan-kyle Tan | 6-0,6-1 |
| ITF Kazakhstan F4 | 2018/04/18 09:10 | Min-Kyu Song v Pavel Kotov | 6-3,1-6,6-7 |
| ITF Kazakhstan F4 | 2018/04/17 05:10 | Timur Khabibulin v Min-Kyu Song | 6-3,2-6,3-6 |
| ITF Kazakhstan F3 Qual | 2018/04/12 04:00 | Denis Yevseyev v Min-Kyu Song | 1-6,7-5,7-6 |
| ITF Kazakhstan F3 | 2018/04/11 06:00 | Min-Kyu Song v Sanjar Fayziev | 6-3,7-5 |