Stadium: Court D Round: 44 Ground: Hardcourt outdoor
| Challenger Gwangju | 2019/05/14 05:00 | Jeamoon Lee v Yunseong Chung | 6-7,2-6 |
| Challenger Seoul | 2019/04/30 07:00 | Nikola Milojevic v Jeamoon Lee | 6-7,6-3,6-3 |
| Challenger Seoul | 2019/04/29 06:15 | Dong Ju Kim v Jeamoon Lee | 2-6,2-6 |
| ITF Korea F6 | 2018/08/29 03:00 | Jeamoon Lee v Seon Yong Han | 4-6,6-4,6-7 |
| ITF Korea F3 | 2018/06/21 01:00 | Ji Sung Nam v Jeamoon Lee | 7-5,6-3 |
| ITF Korea F3 | 2018/06/19 07:00 | Ji Hoon Son v Jeamoon Lee | 3-6,4-6 |
| ITF Korea F2 | 2018/06/14 01:00 | Jeamoon Lee v Ji Sung Nam | 2-6,0-6 |
| ITF Korea F2 | 2018/06/13 06:05 | Yu Hsiang Chiu v Jeamoon Lee | 4-6,4-6 |
| ITF M15 Cancun | 2019/09/11 20:25 | Kalman Boyd v Ryotaro Matsumura | 6-7,6-1,6-1 |
| ITF M15 Cancun | 2019/09/09 15:00 | Sam Ryan Ziegann v Ryotaro Matsumura | 2-6,3-6 |
| ITF M15 Cancun | 2019/09/08 21:00 | Ryotaro Matsumura v Sebastian Eguez | 6-2,6-4 |
| ITF M15 Cancun | 2019/09/08 16:30 | Ryotaro Matsumura v Razvan Baiant | 6-1,6-2 |
| ITF Indonesia F1 | 2018/07/25 04:50 | Ryotaro Matsumura v Hady Habib | 6-4,6-7,3-6 |
| ITF Indonesia F1 Qual | 2018/07/23 03:00 | Jesse Flores v Ryotaro Matsumura | 2-6,7-6,2-6 |
| ITF Indonesia F1 Qual | 2018/07/22 02:00 | Jeremy Nahor v Ryotaro Matsumura | 2-6,0-6 |
| ITF Indonesia F1 Qual | 2018/07/21 02:00 | Jagmeet Singh v Ryotaro Matsumura | 2-6,2-6 |