Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| Challenger Kobe Qual | 2017/11/05 03:20 | Yang, Tsung-Hua v Gao, Xin | 6-2,6-2 |
| Kunshan, Simples M-ITF-CHN-12A | 2019/07/02 07:50 | Yang, Tsung-Hua v Wang, Chukang | 6-3,1-6,7-6 |
| Fergana, Uzbekistan | 2019/06/20 07:10 | Yang, Tsung-Hua v Aleksandar Vukic | 5-7,2-6 |
| Fergana, Uzbekistan | 2019/06/18 06:35 | Yang, Tsung-Hua v Gabashvili, Teimuraz | 6-2,6-2 |
| Shymkent II, Kazakhstan | 2019/06/10 12:25 | Yang, Tsung-Hua v Riccardo Bonadio | 4-6,0-6 |
| Jerusalem, Israel | 2019/05/22 07:00 | Yang, Tsung-Hua v Viktor Durasovic | 6-7,3-6 |
| Challenger - Gwangju | 2019/05/14 03:45 | Yang, Tsung-Hua v Stakhovsky, Sergiy | 4-6,6-7 |
| Challenger - Gwangju | 2019/05/13 02:00 | Yang, Tsung-Hua v Na, Jung-Woong | 6-3,7-6 |
| Challenger - Busan | 2019/05/09 03:00 | Akira Santillan v Yang, Tsung-Hua | 7-6,6-1 |
| Kunshan, Simples M-ITF-CHN-12A | 2019/07/03 06:10 | Gao, Xin v Han, Cheng | 6-1,6-3 |
| Yinchuan, Simples M-ITF-CHN-11A | 2019/06/29 02:00 | Niki, Takuto v Gao, Xin | 6-2,6-4 |
| Yinchuan, Simples M-ITF-CHN-11A | 2019/06/28 07:00 | Gao, Xin v Shinji Hazawa | 6-2,6-4 |
| Yinchuan, Simples M-ITF-CHN-11A | 2019/06/28 01:30 | Chen, Liran v Gao, Xin | 4-6,2-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/14 02:00 | Shintaro Imai v Gao, Xin | 6-4,6-7,6-3 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/13 03:45 | Tikhomirov, Maksim v Gao, Xin | 6-7,1-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/11 08:15 | Gao, Xin v Blake Ellis | 7-6,6-4 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/06 02:00 | Sekiguchi, Shuichi v Gao, Xin | 6-3,6-1 |