| ITF M15 Heraklion | 2019/12/01 12:00 | Sungbeen Sim v Yeongseok Jeong | 3-6,2-6 |
| ITF M25 Swan Hill | 2025/03/18 02:00 | Ethan Cook v Sungbeen Sim | 6-1,6-4 |
| ITF M25 Mildura | 2025/03/12 23:00 | Sungbeen Sim v Blake Ellis | 1-2 |
| ITF M25 Mildura | 2025/03/11 23:00 | Benjamin O'Connell v Sungbeen Sim | 6-1,4-6,4-5 |
| ITF M25 Launceston | 2025/02/26 00:30 | Christian Langmo v Sungbeen Sim | 6-4,6-4 |
| ITF M25 Launceston | 2025/02/23 23:00 | Sungbeen Sim v Zachary Adam-Gedge | 6-7,6-3,1-0 |
| ITF M25 Burnie | 2025/02/17 05:00 | Sungbeen Sim v Cruz Hewitt | 5-7,7-6,0-1 |
| ITF M25 Bali | 2024/12/31 03:00 | Sungbeen Sim v Erik Arutiunian | 3-6,2-6 |
| ITF M25 Bali | 2024/12/30 01:00 | Sungbeen Sim v Lucky Candra Kurniawan | 6-2,5-3 |
| ITF M15 Nonthaburi | 2025/03/17 03:00 | Uisung Park v Yeongseok Jeong | 6-2,6-3 |
| ITF M15 Nonthaburi Qual | 2025/03/16 06:51 | Phopthum Sriwong v Yeongseok Jeong | 2-6,1-6 |
| ITF M25 Chennai | 2025/01/15 09:33 | Yeongseok Jeong v Uisung Park | 4-6,4-6 |
| Challenger Seoul | 2024/10/27 03:15 | Yi Zhou v Yeongseok Jeong | 5-7,7-5,6-1 |
| ITF M25 Huzhou | 2024/10/23 05:00 | Aliaksandr Liaonenka v Yeongseok Jeong | 7-6,6-4 |
| ITF M25 Fuzhou | 2024/09/26 02:00 | Luca Castelnuovo v Yeongseok Jeong | 6-4,6-3 |
| ITF M25 Fuzhou | 2024/09/24 02:00 | Yeongseok Jeong v Ye Cong Mo | 6-3,4-6,7-5 |
| ITF M25 Nakhon Si Thammarat | 2024/08/28 02:00 | Hugo Pierre v Yeongseok Jeong | 7-6,6-3 |