| Swedish Open (WTP) 2019, WD | 11/02 10:00 | 3 | Jeon J / Yang H v Kim S I / Suh H | L | 3-1 | |
| Swedish Open (WTP) 2019, WD | 11/01 09:00 | 4 | Kim S I / Suh H v Ng W N / Soo W Y M | W | 3-2 | |
| Qatar Open XD | 10/31 19:00 | - | Galic A / Moret R v Kim S I / Suh H | W | 0-3 | |
| République tchèque - Extraleague | 07/19 03:00 | 4 | Kim S I / Suh H v Zhu Y / Wang M | L | 2-3 | |
| Qatar Open XD | 07/18 01:15 | 1 | Kim J / Kim Y v Kim S I / Suh H | W | 0-3 | |
| Qatar Open 2019, MS | 05/31 16:00 | 5 | Hayata H / Ito M v Kim S I / Suh H | L | 4-2 | |
| République tchèque - Extraleague | 05/30 17:30 | 6 | Durak M / Jeger M v Kim S I / Suh H | W | 1-4 | |
| Qatar Open XD | 04/20 05:30 | 3 | Kim S I / Suh H v Hayata H / Ito M | L | 1-3 | |
| Qatar Open XD | 04/20 01:30 | 4 | Lin Y-J / Cheng I-C v Kim S I / Suh H | W | 1-3 | |
| Qatar Open 2019, MS | 04/14 05:50 | 1 | Kim S I / Suh H v Hashimoto H / Sato H | L | 1-3 |