| WTT Contender Doha - naised | 2021/03/02 13:00 | Haeun Yang v Hyojoo Choi | W | 3-2 |
| WTT Star Contender Doha - naised | 2021/03/07 12:10 | Haeun Yang v Jia Nan Yuan | L | 2-3 |
| WTT Star Contender Doha - naised | 2021/03/07 07:35 | Haeun Yang v Yuan Wan | W | 3-1 |
| WTT Contender Doha - naised | 2021/03/05 11:00 | Mima Ito v Haeun Yang | L | 3-0 |
| WTT Contender Doha - naised | 2021/03/04 07:15 | Haeun Yang v Hyowon Suh | W | 3-0 |
| WTT Contender Doha - naised | 2021/03/03 07:55 | Szu-Yu Chen v Haeun Yang | W | 1-3 |
| WTT Contender Doha - naised | 2021/03/02 13:00 | Haeun Yang v Hyojoo Choi | W | 3-2 |
| WTT Contender Doha - naised | 2021/03/01 10:20 | Giorgia Piccolin v Haeun Yang | W | 0-3 |
| Austria lahtised meistrivõistlused – naised | 2019/11/12 12:00 | Haeun Yang v Rui Zhang | L | 1-4 |
| Olümpiamängud 2020 - naiskondlik 2020 | 2021/08/03 03:00 | Hyojoo Choi v Xiaona Shan | L | 0-3 |
| Olümpiamängud 2020 - naiskondlik 2020 | 2021/08/03 01:30 | Hyojoo Choi v Ying Han | L | 0-3 |
| WTT Star Contender Doha - naised | 2021/03/08 11:00 | Dina Meshref v Hyojoo Choi | L | 3-0 |
| WTT Contender Doha - naised | 2021/03/02 13:00 | Haeun Yang v Hyojoo Choi | L | 3-2 |
| WTT Contender Doha - naised | 2021/03/02 07:40 | Tetyana Bilenko v Hyojoo Choi | W | 1-3 |
| WTT Contender Doha - naised | 2021/03/01 13:00 | Olga Vorobeva v Hyojoo Choi | W | 0-3 |
| Saksamaa lahtised meistrivõistlused – naised | 2020/01/30 17:20 | Manyu Wang v Hyojoo Choi | L | 4-0 |
| World Team Olympic Quals Women | 2020/01/26 17:00 | Jia Nan Yuan v Hyojoo Choi | L | 3-0 |