Stadium: Court 5 Round: 25
| ITF Korea F2 | 2017/06/09 02:00 | Son, Ji Hoon v Jeamoon Lee | 4-6,3-6 |
| ITF Korea F8 | 2016/09/06 04:30 | Jeamoon Lee v Son, Ji Hoon | 6-3,6-4 |
| ITF Korea F2 | 2018/06/15 01:00 | Kim, Cheong-Eui v Son, Ji Hoon | 2-6,6-3,7-5 |
| ITF Korea F2 | 2018/06/14 03:20 | Son, Ji Hoon v Niki, Takuto | 7-6,7-5 |
| ITF Korea F2 | 2018/06/13 04:45 | Son, Ji Hoon v Kang, Ku Keon | 6-1,6-4 |
| ITF Korea F1 | 2018/06/06 01:00 | Na, Jung-Woong v Son, Ji Hoon | 6-4,6-7,6-4 |
| ITF Vietnam F3 | 2018/05/18 03:00 | Son, Ji Hoon v Nam, Ji Sung | 1-6,2-6 |
| ITF Vietnam F3 | 2018/05/16 03:00 | Son, Ji Hoon v Kushnirovich, Gary | 4-6,7-6,6-1 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Nam Hoang Ly v Son, Ji Hoon | 1-6,4-6 |
| ITF Vietnam F2 | 2018/05/08 03:00 | Nam Hoang Ly v Son, Ji Hoon | 3-6,7-5,6-0 |
| ITF Korea F2 | 2018/06/14 01:00 | Jeamoon Lee v Nam, Ji Sung | 2-6,0-6 |
| ITF Korea F2 | 2018/06/13 06:05 | Chiu, Yu Hsiang v Jeamoon Lee | 4-6,4-6 |
| ITF Korea F1 | 2018/06/10 03:00 | Lim, Yong-Kyu v Jeamoon Lee | 6-4,7-6 |
| ITF Korea F1 | 2018/06/09 02:35 | Niki, Takuto v Jeamoon Lee | 3-6,6-4,4-6 |
| ITF Korea F1 | 2018/06/08 02:00 | Jeamoon Lee v Jeong, Young-Hoon | 6-1,6-4 |
| ITF Korea F1 | 2018/06/07 01:00 | Kim, Jae Hwan v Jeamoon Lee | 6-4,2-6,4-6 |
| ITF Korea F1 | 2018/06/05 03:25 | Jeamoon Lee v Han, Seong Jae | 6-1,6-0 |
| Challenger Busan Qual | 2018/05/13 02:00 | Yosuke Watanuki v Jeamoon Lee | 6-4,6-4 |