| Osaka Int. Women | 2019/04/04 07:20 | Riko Gunji v Lee, Se Yeon | L | 1-2 |
| Osaka Int. Women | 2019/04/04 07:20 | Riko Gunji v Lee, Se Yeon | L | 1-2 |
| Osaka Int. Women Qual | 2019/04/03 01:10 | Ciou-Tong Tung v Riko Gunji | W | 0-2 |
| Osaka Int. Women | 2019/04/04 07:20 | Riko Gunji v Lee, Se Yeon | W | 1-2 |
| Osaka Int. Women | 2019/04/04 02:00 | Selvaduray Kisona v Lee, Se Yeon | W | 0-2 |
| China Masters Women | 2019/03/13 08:00 | Shimoda, Natsumi v Lee, Se Yeon | L | 2-0 |
| Giraldilla Int. XD | 2018/11/28 05:10 | Fitriani Fitriani v Lee, Se Yeon | L | 2-0 |
| Macau Open 2019, WS | 2018/11/01 05:30 | Li, Xuerui v Lee, Se Yeon | L | 2-1 |
| Macau Open 2019, WS | 2018/10/31 03:00 | Su Yu Chen v Lee, Se Yeon | W | 1-2 |
| Indonesia Masters XD | 2018/09/26 03:10 | Ga Eun Kim v Lee, Se Yeon | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/25 05:40 | Lee, Se Yeon v Su Yu Chen | W | 2-0 |