Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF China F9 | 2018/07/03 08:35 | Rui-Xuan Wang v Ji Hoon Son | 2-6,4-6 |
| ITF Korea F3 | 2018/06/19 07:00 | Ji Hoon Son v Jeamoon Lee | 3-6,4-6 |
| ITF Korea F2 | 2018/06/15 01:00 | Cheong-Eui Kim v Ji Hoon Son | 2-6,6-3,7-5 |
| ITF Korea F2 | 2018/06/14 03:20 | Ji Hoon Son v Takuto Niki | 7-6,7-5 |
| ITF Korea F2 | 2018/06/13 04:45 | Ji Hoon Son v Ku Keon Kang | 6-1,6-4 |
| ITF Korea F1 | 2018/06/06 01:00 | Jung-Woong Na v Ji Hoon Son | 6-4,6-7,6-4 |
| ITF Vietnam F3 | 2018/05/18 03:00 | Ji Hoon Son v Ji Sung Nam | 1-6,2-6 |
| ITF Vietnam F3 | 2018/05/16 03:00 | Ji Hoon Son v Gary Kushnirovich | 4-6,7-6,6-1 |
| 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 |
| ITF Japan F8 | 2018/06/11 00:30 | Kousuke Ogura v Keisuke Numajiri | 6-2,6-1 |
| ITF Japan F8 | 2018/06/09 06:10 | Ryota Kishi v Kousuke Ogura | 1-6,2-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Takahiro Kubo v Kousuke Ogura | 0-6,3-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Arata Onozawa v Kousuke Ogura | 6-2,6-1 |