Stadium: Court 1 Round: 19 Ground: Hardcourt outdoor
| ITF M15 Daegu | 2024/06/03 01:00 | Ji Hoon Son v Woohyuk Chang | 6-1,6-4 |
| ITF M15 Antalya | 2023/12/04 12:15 | Ji Hoon Son v Gokberk Saritas | 3-6,4-6 |
| ITF M15 Antalya | 2023/12/03 07:00 | Ji Hoon Son v Daniil Golubev | 6-1,6-3 |
| ITF M15 Antalya | 2023/11/28 06:30 | Ji Hoon Son v Oscar Galimardanov | 6-2,1-6,1-10 |
| ITF M15 Antalya | 2023/11/27 06:30 | Ji Hoon Son v Gheorghe Claudiu Schinteie | 6-4,6-4 |
| ITF M15 Antalya | 2023/11/26 07:00 | Ji Hoon Son v Josh Reid | 6-4,7-6 |
| ITF M25 Hong Kong | 2023/08/30 02:00 | Keisuke Saitoh v Ji Hoon Son | 6-3,7-6 |
| ITF M25 Hong Kong | 2023/08/28 04:10 | Ji Hoon Son v Baoluo Zheng | 4-6,6-2,10-5 |
| ITF M15 Karuizawa | 2024/05/27 01:00 | Sam Ryan Ziegann v Junhyun Lee | 6-3,3-6,11-9 |
| ITF M25 Luan | 2024/05/12 02:00 | Seon Yong Han v Junhyun Lee | 6-3,6-1 |
| ITF M25 Luan | 2024/05/12 02:00 | Junhyun Lee v You Du | 6-3,4-6,10-6 |
| ITF M25 Hammamet | 2024/02/19 12:00 | Manuel Mouilleron Salvo v Junhyun Lee | 7-5,6-2 |
| ITF M25 Hammamet | 2024/02/11 11:00 | Pietro Pampanin v Junhyun Lee | 6-4,6-3 |
| ITF M25 Hammamet | 2024/02/05 08:00 | Junhyun Lee v Omar Brigida | 2-6,7-5,8-10 |
| ITF M25 Hammamet | 2024/02/04 10:30 | Junhyun Lee v Gheorghe Claudiu Schinteie | 6-3,6-0 |
| ITF M15 Monastir | 2024/01/28 08:30 | Junhyun Lee v Igor Kudriashov | 2-6,7-6,12-14 |