| Thailand Open U21 Women | 2019/05/23 03:35 | Hyobin Yoon v Isa Cok | W | 3-1 |
| Thailand Open U21 Women | 2019/05/22 08:45 | Hyobin Yoon v Mitsuho Kimura | W | 3-0 |
| Swedish Open (WTP) 2019, WS | 2018/10/29 13:20 | Zhang, Qiang v Hyobin Yoon | L | 4-0 |
| Qatar Open XD | 2018/05/18 07:55 | Yu-Jhun Li v Hyobin Yoon | L | 4-3 |
| Qatar Open XD | 2018/04/04 13:30 | Hyobin Yoon v Miyu Nagasaki | L | 0-3 |
| Qatar Open XD | 2018/03/31 17:25 | Saki Shibata v Hyobin Yoon | L | 4-3 |
| Qatar Open XD | 2018/03/31 11:00 | Hyobin Yoon v Maria Xiao | W | 4-2 |
| Qatar Open XD | 2018/03/28 13:30 | Hyobin Yoon v Miramontes, Nataila | W | 3-0 |
| Qatar Open XD | 2018/05/17 11:10 | Sim, Hyunju v Zhai, Yujia | W | 3-1 |
| Qatar Open XD | 2018/05/17 03:30 | Sim, Hyunju v Tan, En Hui | W | 3-0 |
| Qatar Open XD | 2018/05/16 03:30 | Sim, Hyunju v Kuan, E Xian | W | 3-0 |
| Qatar Open XD | 2018/04/02 16:50 | Vignjevic, Dragana v Sim, Hyunju | W | 0-4 |
| Qatar Open XD | 2018/03/28 07:30 | Karpova, Anna v Sim, Hyunju | W | 0-3 |