| Austrian Open 2019, XD | 2019/11/14 09:40 | Balazova/Pistej v Cho D / Shin Y | W | 0-3 |
| Czech Open XD | 2019/08/24 11:30 | Cho D / Shin Y v Mizutani J / Ito M | W | 3-2 |
| Czech Open XD | 2019/08/23 12:40 | Cho D / Shin Y v Fegerl S / Polcanova S | W | 3-0 |
| Czech Open XD | 2019/08/23 08:00 | MA T / Wu Y v Cho D / Shin Y | W | 1-3 |
| Czech Open XD | 2019/08/22 08:00 | Cho D / Shin Y v Flore T / Gasnier L | W | 3-2 |
| Bulgaria Open 2019, XD | 2019/08/16 07:00 | Ionescu/Szocs v Cho D / Shin Y | L | 3-0 |
| Bulgaria Open 2019, XD | 2019/08/15 07:00 | Cho D / Shin Y v Szudi A / Pergel S | W | 3-2 |
| Bulgaria Open 2019, XD | 2019/08/14 14:05 | Pletea C / Samara E v Cho D / Shin Y | W | 2-3 |
| Austrian Open 2019, XD | 2019/11/14 09:00 | Franziska P / Solja P v Lee S / Jeon J | W | 0-3 |
| German Open 2020, XD | 2019/10/11 08:00 | Lee S / Jeon J v Lin Y-J / Cheng I-C | L | 0-3 |
| German Open 2020, XD | 2019/10/10 08:40 | Lee S / Jeon J v Ionescu/Szocs | W | 3-0 |
| Swedish Open (WTP) 2019, XD, Qualification | 2019/10/03 08:40 | Lee S / Jeon J v Harimoto/Hayata | L | 2-3 |
| Czech Open XD | 2019/08/22 08:00 | Lee S / Jeon J v MA T / Wu Y | L | 2-3 |
| Bulgaria Open 2019, XD | 2019/08/15 07:00 | Lee S / Jeon J v MA T / Wu Y | L | 1-3 |
| Australian Open 2019, XD | 2019/07/12 08:00 | Lee S / Jeon J v Doo/Wong | L | 0-3 |
| Australian Open 2019, XD | 2019/07/12 00:40 | Lee S / Jeon J v Balazova/Pistej | W | 3-1 |