| Asia Championships Women | 2019/04/25 03:30 | Yip, Pui Yin v Cai, Y. Y. | W | 0-2 |
| Macau Open 2019, WS | 2019/10/30 04:50 | Cai, Y. Y. v 라오 처카, 사이 에데지타 | W | 2-0 |
| French Open Women | 2019/10/22 13:50 | 마린 ,카로리나 v Cai, Y. Y. | L | 2-1 |
| Denmark Open Women | 2019/10/17 10:50 | Cai, Y. Y. v Chen, Y. F. | L | 0-2 |
| Denmark Open Women | 2019/10/16 15:00 | Cai, Y. Y. v 피트리아니, 피트리아니 | W | 2-0 |
| Korea Open 2019, WS | 2019/09/26 02:25 | 타이, 주 잉 v Cai, Y. Y. | L | 2-0 |
| Korea Open 2019, WS | 2019/09/25 05:05 | Cai, Y. Y. v 첸, 샤오신 | W | 2-0 |
| Fuzhou China Open 2019, WS | 2019/09/17 06:30 | 성, 지 현 v Cai, Y. Y. | L | 2-0 |
| World Championships Women | 2019/08/21 09:30 | 김, 가 은 v Cai, Y. Y. | L | 2-1 |
| Macau Open 2019, WS | 2019/10/30 05:00 | 린, 잉 천 v Yip, Pui Yin | W | 0-2 |
| Korea Open 2019, WS, Qualification | 2019/09/24 03:00 | Yip, Pui Yin v 전, 주이 | L | 0-2 |
| Fuzhou China Open 2019, WS | 2019/09/17 08:45 | Yip, Pui Yin v 첸, 샤오신 | L | 0-2 |
| Chinese Taipei Open 2019, WS | 2019/09/04 08:25 | 헝, 이-팅 v Yip, Pui Yin | L | 2-1 |
| World Championships Women | 2019/08/20 07:20 | Yip, Pui Yin v 치아, 소니아 | L | 0-2 |
| Thailand Open Women | 2019/07/31 07:40 | 피트리아니, 피트리아니 v Yip, Pui Yin | L | 2-1 |
| Japan Open Women | 2019/07/24 02:50 | 옹밤룽판, 부산난 v Yip, Pui Yin | L | 2-0 |
| Indonesia Open Women | 2019/07/17 04:45 | 블리히펠트, 미아 v Yip, Pui Yin | L | 2-1 |