| Korea Open 2019, WS, Qualification | 2019/09/24 03:00 | 최, 캐서린 v 파이, 유 포 | L | 0-2 |
| Hyderabad Open 2019, WS, Qualification | 2019/08/06 07:00 | 엠사르드, 난드카른 v 최, 캐서린 | L | 2-0 |
| Canada Open 2019, WS, Qualification | 2019/07/02 15:45 | 수, 웬 치 v 최, 캐서린 | L | 2-0 |
| Pan Am Championships Women | 2019/04/25 16:30 | 최, 캐서린 v 우갈데 , 마리아나 | L | 0-2 |
| Polish Open Women Qual | 2019/03/28 17:00 | 보로베바, 빅토리아 v 최, 캐서린 | L | 2-1 |
| Giraldilla Int. XD | 2018/12/19 02:00 | 최, 캐서린 v 유, 치엔 후이 | L | 0-2 |
| Indonesia Masters XD | 2018/05/21 04:00 | 타카하시, 사야카 v 최, 캐서린 | L | 2-0 |
| Macau Open 2019, WS | 2019/10/31 05:20 | Cai, Y. Y. v Yip, Pui Yin | L | 2-0 |
| 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 |