Ji Sung Nam leads 2 to 1 over 3 singles meetings since 2024. Last meeting on 29/03/2026 at Miyazaki Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 29/03/2026 | Miyazaki Challenger | Qualifying 1 | hard | Nam | 2-6 4-6 |
| 22/03/2025 | M15 Nishi-Tokyo | Semi-final | hard | Kumasaka | 1-6 6-2 3-6 |
| 02/04/2024 | M15 Kashiwa | Round 1 | hard | Nam |
| hard | Nam 2 - 1 Kumasaka |
| 2026 | Nam 1 - 0 Kumasaka |
| 2025 | Nam 0 - 1 Kumasaka |
| 2024 | Nam 1 - 0 Kumasaka |
84 wins, 82 losses since 2021 (50.6%).
Last matches: D D D D V
155 wins, 107 losses since 2021 (59.2%).
Last matches: D D V D D
Ji Sung Nam leads 2 to 1 over 3 singles meetings since 2024.
On 29/03/2026, at Miyazaki Challenger (Qualifying 1): Ji Sung Nam won 2-6 4-6.