Stadium: Court 6 Round: 14 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/13 09:15 | Niki Kaliyanda Poonacha v Ji Sung Nam | 2-6,0-6 |
| Challenger Bengaluru | 2025/02/23 09:30 | Niki Kaliyanda Poonacha v Petr Bar Biryukov | 2-6,6-3,6-7 |
| Challenger Seoul | 2024/10/27 02:00 | Niki Kaliyanda Poonacha v Mitsuki Wei Kang Leong | 0-0 |
| Challenger Taipei | 2024/10/20 06:30 | Kuan-Yi Lee v Niki Kaliyanda Poonacha | 6-1,6-4 |
| Challenger Orleans | 2024/09/22 13:25 | Mark Lajal v Niki Kaliyanda Poonacha | 6-3,6-4 |
| Challenger Cassis | 2024/09/01 08:00 | Niki Kaliyanda Poonacha v Adria Soriano Barrera | 3-6,1-6 |
| Challenger Lincoln | 2024/08/04 15:00 | Naoki Nakagawa v Niki Kaliyanda Poonacha | 6-3,6-2 |
| Challenger Morelos | 2024/04/07 18:35 | Matias Soto v Niki Kaliyanda Poonacha | 6-2,6-4 |
| Challenger Mexico City | 2024/04/01 18:40 | Alafia Ayeni v Niki Kaliyanda Poonacha | 6-3,6-0 |
| ITF M25 Changwon | 2025/06/05 01:00 | Ji Sung Nam v Evan Zhu | 6-2,4-6,4-6 |
| ITF M25 Changwon | 2025/06/04 02:30 | Ji Sung Nam v Chase Ferguson | 7-6,5-4 |
| ITF M15 Daegu | 2025/06/01 01:00 | Ji Sung Nam v Uisung Park | 6-1,6-2 |
| ITF M15 Daegu | 2025/05/31 02:30 | Ji Sung Nam v Jeamoon Lee | 1-6,6-2,6-3 |
| ITF M15 Daegu | 2025/05/30 02:30 | Thanapet Chanta v Ji Sung Nam | 2-6,2-6 |
| ITF M15 Daegu | 2025/05/29 02:30 | Ji Sung Nam v Jay Friend | 6-3,6-1 |
| ITF M15 Daegu | 2025/05/28 03:44 | Minjong Park v Ji Sung Nam | 6-7,2-2 |
| ITF M15 Andong | 2025/05/24 04:00 | Sanhui Shin v Ji Sung Nam | 6-4,4-4 |