Head to Head
| Challenger Jinan | 2019/09/07 06:00 | Zhizhen Zhang v Soonwoo Kwon | 6-4,6-3 |
| Challenger Shenzhen 2 | 2017/10/30 04:30 | Zhizhen Zhang v Soonwoo Kwon | 6-3,3-6,5-7 |
| Challenger Chengdu | 2017/07/31 02:00 | Zhizhen Zhang v Soonwoo Kwon | 6-7,6-4,6-1 |
| Challenger Jinan | 2019/09/07 06:00 | Zhizhen Zhang v Soonwoo Kwon | 6-4,6-3 |
| Challenger Shenzhen 2 | 2017/10/30 04:30 | Zhizhen Zhang v Soonwoo Kwon | 6-3,3-6,5-7 |
| Challenger Chengdu | 2017/07/31 02:00 | Zhizhen Zhang v Soonwoo Kwon | 6-7,6-4,6-1 |