Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/06/14 08:00 | Park, Uisung v Son, Ji Hoon | 3-6,4-6 |
| ITF - M15 Monastir | 2021/06/10 10:35 | Son, Ji Hoon v Yanki Erel | 3-6,0-6 |
| ITF - M15 Monastir | 2021/06/09 08:30 | Matias Franco Descotte v Son, Ji Hoon | 6-0,4-6,6-7 |
| ITF - M15 Monastir | 2021/06/07 12:30 | Son, Ji Hoon v Kody Pearson | 6-2,6-4 |
| ITF - M15 Monastir | 2021/06/07 08:00 | Seita Watanabe v Son, Ji Hoon | 1-6,6-1,6-10 |
| ITF - M15 Monastir | 2021/06/06 10:00 | Son, Ji Hoon v Kim, Geun Jun | 6-2,7-5 |
| Challenger - Gwangju | 2019/05/14 03:30 | Yan Bai v Son, Ji Hoon | 7-6,2-6,6-3 |
| Challenger Seoul | 2019/04/29 02:00 | Nam, Ji Sung v Son, Ji Hoon | 6-3,6-2 |
| ITF - M15 Monastir | 2021/06/14 08:00 | Reinberg, Emil v Masamichi Imamura | 6-4,0-6,11-9 |
| ITF - M15 Monastir | 2021/06/13 10:00 | Shohei Chikami v Reinberg, Emil | 3-6,5-7 |
| ITF - M15 Monastir | 2021/06/08 08:30 | Reinberg, Emil v Hong, Seong Chan | 1-6,2-6 |
| ITF - M15 Monastir | 2021/06/03 08:25 | Reinberg, Emil v Alejo Lorenzo Lingua Lavallen | 1-6,3-6 |
| ITF - M15 Monastir | 2021/06/02 12:15 | Reinberg, Emil v Guy Orly Iradukunda | 6-4,7-5 |
| ITF - M15 Monastir | 2021/05/31 14:30 | Reinberg, Emil v Marquiselli, Victorio | 6-2,6-3 |
| ITF - M15 Monastir | 2021/05/31 09:00 | Seita Watanabe v Reinberg, Emil | 6-7,5-7 |
| ITF - M15 Monastir | 2021/05/30 09:30 | Zayed, Mousa Shanan v Reinberg, Emil | 1-6,1-6 |