| Asia Championships Women | 2019/04/24 06:40 | Cai, Y. Y. v Sung, Ji Hyun | L | 2-1 |
| Singapore Open Women | 2019/04/12 07:10 | Tzu Ying Tai v Sung, Ji Hyun | L | 2-1 |
| Singapore Open Women | 2019/04/11 10:15 | Sung, Ji Hyun v Hartawan, Ruselli | W | 2-0 |
| Singapore Open Women | 2019/04/10 10:00 | Sung, Ji Hyun v Deng, J X | W | 2-0 |
| Open de Malaisie - Femmes | 2019/04/05 08:10 | Chen, Y. F. v Sung, Ji Hyun | L | 2-0 |
| Open de Malaisie - Femmes | 2019/04/04 08:00 | Pusarla V. Sindhu v Sung, Ji Hyun | W | 0-2 |
| Open de Malaisie - Femmes | 2019/04/03 06:30 | Sung, Ji Hyun v Fitriani Fitriani | W | 2-0 |
| Open de Suisse - Femmes | 2019/03/16 11:00 | Chen, Y. F. v Sung, Ji Hyun | L | 2-0 |
| Orléans Masters - Femmes | 2019/03/22 18:15 | Mine, Ayumi v Yigit, Neslihan | L | 0-2 |
| Orléans Masters - Femmes | 2019/03/21 13:40 | Mine, Ayumi v Ksenia Polikarpova | W | 2-0 |
| Orléans Masters - Femmes | 2019/03/20 11:30 | Mine, Ayumi v Mahulette, Gayle | W | 2-0 |
| Open de Suisse - Femmes | 2019/03/15 14:45 | Beiwen Zhang v Mine, Ayumi | L | 2-1 |
| Open de Suisse - Femmes | 2019/03/14 13:10 | Mine, Ayumi v Yvonne Li | W | 2-0 |
| Open de Suisse - Femmes | 2019/03/13 12:00 | Mine, Ayumi v Gonda, Daniella | W | 2-0 |
| Masters de Thaïlande - Femmes | 2019/01/10 11:00 | Michelle Li v Mine, Ayumi | L | 2-1 |
| Masters de Thaïlande - Femmes | 2019/01/09 04:40 | Jaquet, Sabrina v Mine, Ayumi | W | 0-2 |