Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/06/09 08:30 | Matias Franco Descotte v Ji Hoon Son | 6-0,4-6,6-7 |
| ITF - M15 Monastir | 2021/06/07 12:30 | Ji Hoon Son v Kody Pearson | 6-2,6-4 |
| ITF - M15 Monastir | 2021/06/07 08:00 | Seita Watanabe v Ji Hoon Son | 1-6,6-1,6-10 |
| ITF - M15 Monastir | 2021/06/06 10:00 | Ji Hoon Son v Geun Jun Kim | 6-2,7-5 |
| Challenger - Gwangju | 2019/05/14 03:30 | Yan Bai v Ji Hoon Son | 7-6,2-6,6-3 |
| Challenger - Soul | 2019/04/29 02:00 | Ji Sung Nam v Ji Hoon Son | 6-3,6-2 |
| ITF Korea F5 | 2018/08/24 01:15 | Ji Sung Nam v Ji Hoon Son | 6-4,6-2 |
| ITF Korea F5 | 2018/08/23 05:15 | Woo Hyeok Jang v Ji Hoon Son | 6-7,1-6 |
| ITF - M15 Monastir | 2021/06/09 12:00 | Yanki Erel v Alejo Lorenzo Lingua Lavallen | 6-4,6-2 |
| ITF - M15 Monastir | 2021/06/06 08:30 | Santiago Rodriguez Taverna v Yanki Erel | 6-4,1-6,2-6 |
| ITF - M15 Monastir | 2021/06/05 08:30 | Yanki Erel v Ajeet Rai | 6-4,6-3 |
| ITF - M15 Monastir | 2021/06/04 09:40 | Robert Strombachs v Yanki Erel | 4-6,6-3,4-6 |
| ITF - M15 Monastir | 2021/06/03 10:45 | Lukas Neumayer v Yanki Erel | 6-0,4-6,1-6 |
| ITF - M15 Monastir | 2021/06/01 09:00 | Terence Atmane v Yanki Erel | 3-6,2-6 |
| ITF - M15 Tbilisi | 2021/05/22 06:00 | Alessandro Bega v Yanki Erel | 6-4,6-2 |
| ITF - M15 Tbilisi | 2021/05/21 06:00 | Zane Khan v Yanki Erel | 2-6,4-6 |