Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Changwon | 2019/10/18 01:00 | Yuta Shimizu v Jung-Woong Na | 6-3,7-5 |
| ITF M15 Changwon | 2019/10/17 03:35 | Minjong Park v Jung-Woong Na | 6-1,0-6,4-6 |
| ITF M15 Changwon | 2019/10/16 00:55 | Young Seok Lee v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Anseong | 2019/06/28 03:00 | Jung-Woong Na v Cheong-Eui Kim | 2-6,2-6 |
| ITF M15 Anseong | 2019/06/27 01:00 | Jung-Woong Na v Tae-Woo Lee | 6-3,6-3 |
| ITF M15 Anseong | 2019/06/26 01:00 | Jung-Woong Na v Seungri Choi | 6-1,6-1 |
| ITF M15 Gimcheon | 2019/06/19 01:00 | Seong Taek Im v Jung-Woong Na | 0-6,0-6 |
| ITF M15 Gimcheon | 2019/06/13 02:30 | Jean Thirouin v Jung-Woong Na | 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 Sebastian Nothhaft | 6-4,6-4 |
| ATP Shanghai | 2019/10/05 08:45 | Runhao Hua v Thomas Fabbiano | 6-3,0-6,6-7 |
| ATP Zhuhai | 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 |
| Challenger Jinan | 2019/09/02 02:00 | Evan Song v Runhao Hua | 6-3,6-4 |
| Challenger Baotou | 2019/08/29 08:55 | Pedja Krstin v Runhao Hua | 6-4,6-2 |