| Hong Kong Open (WT) 2019, Women | 06/06 11:20 | 5 | Park, Joohyun v I-Ching Cheng | L | 0-4 | |
| Qatar Open XD | 08/22 09:40 | 1 | Giorgia Piccolin v Park, Joohyun | L | 4-1 | |
| Qatar Open XD | 08/21 11:20 | 1 | Park, Joohyun v Sevcikova, Marketa | W | 4-0 | |
| République tchèque - Extraleague | 08/16 13:20 | 5 | Sato, Hitomi v Park, Joohyun | L | 4-2 | |
| Qatar Open XD | 08/15 13:50 | 1 | Noskova, Yana v Park, Joohyun | W | 2-4 | |
| Qatar Open XD | 07/18 04:45 | 1 | Gu, Yuting v Park, Joohyun | L | 4-0 | |
| Qatar Open XD | 06/14 04:50 | - | Park, Joohyun v Jieni Shao | L | 1-4 | |
| Qatar Open XD | 05/05 15:20 | 1 | Park, Joohyun v Sofia Polcanova | L | 3-4 | |
| Qatar Open XD | 05/04 14:50 | 1 | Park, Joohyun v Lee, Yujin | W | 4-2 | |
| Qatar Open XD | 05/04 10:10 | 1 | Sato, Hitomi v Park, Joohyun | W | 0-4 | |
| Qatar Open XD | 04/29 17:00 | 1 | Georgina Pota v Park, Joohyun | L | 4-2 | |
| Qatar Open XD | 04/29 10:55 | 1 | Park, Joohyun v Mikhaylova, Polina | W | 4-2 | |
| Qatar Open XD | 04/19 07:40 | 1 | Park, Joohyun v Honoka Hashimoto | L | 3-4 | |
| Qatar Open XD | 04/18 05:50 | 1 | Park, Joohyun v Huang, Yu Wen | W | 4-1 | |
| Swedish Open (WTP) 2019, WS | 11/18 09:45 | 6 | Park, Joohyun v Morizono, Misaki | L | 2-4 | |
| Qatar Open XD | 11/17 11:26 | - | Linda Bergstrom v Park, Joohyun | W | 0-4 | |
| Qatar Open XD | 11/16 14:29 | - | Park, Joohyun v Singeorzan, Arina | W | 4-0 | |
| Qatar Open XD | 11/15 16:19 | - | Stefanska, Kinga v Park, Joohyun | W | 1-4 | |
| Qatar Open XD | 11/09 14:31 | - | Morizono, Mizuki v Park, Joohyun | L | 4-1 |