| All England Open | 2019/03/06 20:15 | Cai, Y. Y. v Kjaersfeldt, L. H. | L | 0-2 |
| German Open Women | 2019/02/27 11:00 | Cai, Y. Y. v 장, 베이웬 | L | 0-2 |
| Spain Masters Women | 2019/02/23 13:00 | Cai, Y. Y. v 블리히펠트, 미아 | L | 1-2 |
| Spain Masters Women | 2019/02/22 16:00 | 덩, 조이 쉬안 v Cai, Y. Y. | W | 1-2 |
| Spain Masters Women | 2019/02/21 14:50 | 피트리아니, 피트리아니 v Cai, Y. Y. | W | 0-2 |
| Spain Masters Women | 2019/02/20 18:00 | Kate Ludik v Cai, Y. Y. | W | 0-2 |
| Indonesia Masters XD | 2019/01/23 02:30 | 옹밤룽판, 부산난 v Cai, Y. Y. | L | 2-0 |
| Thailand Masters 2020, WS | 2019/01/10 11:00 | 가와카미, 사에나 v Cai, Y. Y. | L | 2-0 |