Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF Korea F6 | 2018/08/25 01:00 | Dylan Seong Kwan Kim v Yu-Seob Kim | 6-4,6-3 |
| ITF Korea F5 | 2018/08/18 03:00 | Yu-Seob Kim v Sungbeen Sim | 1-6,3-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Yu-Seob Kim v Daniel Yoo | 1-6,0-6 |
| ITF Korea F2 | 2018/06/11 03:30 | Daniel Yoo v Yu-Seob Kim | 7-5,6-4 |
| ITF Korea F2 | 2018/06/09 02:00 | Byeonghun Kim v Yu-Seob Kim | 2-6,6-3,1-6 |
| ITF Korea F1 | 2018/06/03 02:00 | Jun Sang Park v Yu-Seob Kim | 5-7,6-3,6-2 |
| ITF Thailand F7 Qual | 2017/09/30 02:30 | Yu-Seob Kim v Suthinan Tanthaseraneewat | 2-6,2-6 |
| ITF Korea F3 Qual | 2017/06/10 03:00 | Yu-Seob Kim v Woo-Ram Kim | 2-6,2-6 |
| ITF Indonesia F3 Qual | 2018/08/04 04:30 | Kousuke Ogura v Ansu Bhuyan | 6-4,4-6,1-6 |
| ITF China F10 Qual | 2018/07/08 02:00 | Kousuke Ogura v Mikal Statham | 4-6,0-6 |
| ITF China F10 Qual | 2018/07/07 05:00 | Natthasith Kunsuwan v Kousuke Ogura | 6-7,4-6 |
| ITF China F9 | 2018/07/05 05:30 | Ji Hoon Son v Kousuke Ogura | 6-2,6-4 |
| ITF China F9 | 2018/07/03 08:25 | Kousuke Ogura v Chuhan Wang | 4-6,7-5,7-5 |
| ITF China F9 Qual | 2018/07/02 03:25 | Bingyu Yu v Kousuke Ogura | 1-6,2-6 |
| ITF China F9 Qual | 2018/07/01 02:00 | David Barclay v Kousuke Ogura | 6-4,1-6,3-6 |
| ITF Japan F8 | 2018/06/13 02:25 | Takashi Saito v Kousuke Ogura | 6-2,4-6,6-1 |