Round: 4
| Korea Open 2019, XD | 2019/07/03 01:00 | Kenjaev Z / Gufranova R v Mizutani J / Ito M | L | 0-3 |
| Hungarian Open 2020, XD, Qualification | 2020/02/20 20:20 | Karakasevic A / Lupulesku I v Ho K K / Lee H C | L | 3-2 |
| Hungarian Open 2020, XD, Qualification | 2020/02/20 09:00 | Gonzalez/Diaz v Ho K K / Lee H C | W | 0-3 |
| German Open 2020, XD | 2020/01/31 09:00 | Xu X / Liu S v Ho K K / Lee H C | L | 3-0 |
| German Open 2020, XD | 2020/01/30 09:00 | Jang W / Shin Y v Ho K K / Lee H C | W | 1-3 |
| Austrian Open 2019, XD | 2019/11/14 09:40 | Harimoto/Hayata v Ho K K / Lee H C | L | 3-2 |
| German Open 2020, XD | 2019/10/10 08:00 | Ho K K / Lee H C v Wang X / Wang Y | L | 0-3 |
| Swedish Open (WTP) 2019, XD, Qualification | 2019/10/03 08:40 | Szudi A / Pergel S v Ho K K / Lee H C | L | 3-2 |
| Australian Open 2019, XD | 2019/07/12 00:40 | Ho K K / Lee H C v Doo/Wong | L | 1-3 |