| Asia Championships Women | 2019/04/24 06:40 | Yanyan Cai v Ji Hyun Sung | L | 2-1 |
| Singapore Open Women | 2019/04/12 07:10 | Tzu Ying Tai v Ji Hyun Sung | L | 2-1 |
| Singapore Open Women | 2019/04/11 10:15 | Ji Hyun Sung v Ruselli Hartawan | W | 2-0 |
| Singapore Open Women | 2019/04/10 10:00 | Ji Hyun Sung v Joy Xuan Deng | W | 2-0 |
| Malaysia Open Women | 2019/04/05 08:10 | Yufei Chen v Ji Hyun Sung | L | 2-0 |
| Malaysia Open Women | 2019/04/04 08:00 | Pusarla V. Sindhu v Ji Hyun Sung | W | 0-2 |
| Malaysia Open Women | 2019/04/03 06:30 | Ji Hyun Sung v Fitriani Fitriani | W | 2-0 |
| Swiss Open Women | 2019/03/16 11:00 | Yufei Chen v Ji Hyun Sung | L | 2-0 |
| Orleans Masters Women | 2019/03/22 18:15 | Ayumi Mine v Neslihan Yigit | L | 0-2 |
| Orleans Masters Women | 2019/03/21 13:40 | Ayumi Mine v Ksenia Polikarpova | W | 2-0 |
| Orleans Masters Women | 2019/03/20 11:30 | Ayumi Mine v Gayle Mahulette | W | 2-0 |
| Swiss Open Women | 2019/03/15 14:45 | Beiwen Zhang v Ayumi Mine | L | 2-1 |
| Swiss Open Women | 2019/03/14 13:10 | Ayumi Mine v Yvonne Li | W | 2-0 |
| Swiss Open Women | 2019/03/13 12:00 | Ayumi Mine v Daniella Gonda | W | 2-0 |
| Thailand Masters Women | 2019/01/10 11:00 | Michelle Li v Ayumi Mine | L | 2-1 |
| Thailand Masters Women | 2019/01/09 04:40 | Sabrina Jaquet v Ayumi Mine | W | 0-2 |