| Korea Open Qual | 2019/09/24 01:40 | Junpeng Zhao v Young Woong Ha | L | 2-0 |
| Vietnam Int. | 2019/04/09 12:00 | Hin Shun Wong v Young Woong Ha | W | 0-2 |
| Osaka Int. | 2019/04/04 01:20 | Shota Omoto v Young Woong Ha | L | 2-0 |
| China Masters | 2019/03/14 09:55 | Lakshya Sen v Young Woong Ha | L | 2-0 |
| China Masters | 2019/03/13 13:20 | Young Woong Ha v Shesar Hiren Rhustavito | W | 2-1 |
| China Masters | 2019/03/12 10:40 | Chun Kar Lung v Young Woong Ha | W | 0-2 |
| Giraldilla Int. XD | 2018/11/28 09:10 | Joo Ven Soong v Young Woong Ha | L | 2-1 |
| Swiss Open - čtyřhra ženy - kvalifikace | 2018/11/27 04:24 | Yu Jen Chi v Young Woong Ha | W | 0-2 |
| Indonesia Masters | 2019/10/02 11:00 | Minoru Koga v Teck Zhi Soo | L | 0-2 |
| Vietnam Open | 2019/09/14 06:40 | Minoru Koga v Sourabh Verma | L | 0-2 |
| Vietnam Open | 2019/09/13 11:00 | Tanongsak Saensomboonsuk v Minoru Koga | W | 1-2 |
| Vietnam Open | 2019/09/12 11:20 | Hsuan Yi Hsueh v Minoru Koga | W | 0-2 |
| Vietnam Open | 2019/09/12 03:20 | Minoru Koga v Kunlavut Vitidsarn | W | 2-1 |
| Akita Masters | 2019/08/14 02:10 | Koki Watanabe v Minoru Koga | L | 2-0 |
| Akita Masters | 2019/08/13 01:20 | Minoru Koga v Gatjra P F Cupu | W | 2-1 |
| Canada Open | 2019/07/03 01:30 | Minoru Koga v Lanxi Lei | L | 1-2 |