Stadium: Court B Round: 44 Ground: Hardcourt outdoor
| ITF M15 Changwon | 2019/10/18 01:00 | Yuta Shimizu v Na, Jung-Woong | 6-3,7-5 |
| ITF M15 Changwon | 2019/10/17 03:35 | Minjong Park v Na, Jung-Woong | 6-1,0-6,4-6 |
| ITF M15 Changwon | 2019/10/16 00:55 | Lee, Young Seok v Na, Jung-Woong | 2-6,1-6 |
| ITF - M15 Anseong | 2019/06/28 03:00 | Na, Jung-Woong v Kim, Cheong-Eui | 2-6,2-6 |
| ITF - M15 Anseong | 2019/06/27 01:00 | Na, Jung-Woong v Lee, Tae-Woo | 6-3,6-3 |
| ITF - M15 Anseong | 2019/06/26 01:00 | Na, Jung-Woong v Choi, Seungri | 6-1,6-1 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/19 01:00 | Im, Seong Taek v Na, Jung-Woong | 0-6,0-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/13 02:30 | Thirouin, Jean v Na, Jung-Woong | 6-2,6-3 |
| ITF - M15 Hong Kong | 2020/01/09 02:00 | Runhao Hua v Yu Hsiou Hsu | 2-6,2-6 |
| ITF - M15 Hong Kong | 2020/01/08 07:00 | Runhao Hua v Nothhaft, Sebastian | 6-4,6-4 |
| Shanghai, Chine | 2019/10/05 08:45 | Runhao Hua v Fabbiano, Thomas | 6-3,0-6,6-7 |
| Zhuhai, Chine | 2019/09/21 07:30 | Runhao Hua v Henri Laaksonen | 3-6,3-6 |
| Challenger Shanghai | 2019/09/11 06:35 | Steven Diez v Runhao Hua | 7-5,6-3 |
| Challenger Shanghai | 2019/09/10 04:15 | Sidharth Rawat v Runhao Hua | 4-6,4-6 |
| Jinan, China | 2019/09/02 02:00 | Song, Evan v Runhao Hua | 6-3,6-4 |
| Baotou, Chine | 2019/08/29 08:55 | Krstin, Pedja v Runhao Hua | 6-4,6-2 |