| Uber Cup | 05/01 02:05 | - | Sum Yee Yeung v Husina Kobugabe | W | 2-0 | |
| Uber Cup | 04/29 01:30 | - | Akane Yamaguchi v Sum Yee Yeung | L | 2-0 | |
| Uber Cup | 04/27 05:00 | - | Gregoria Mariska Tunjung v Sum Yee Yeung | L | 2-0 | |
| KL Masters Women | 11/01 05:25 | 5 | Yeung, S Y v Sih Yun Lin | L | 0-2 | |
| Indonesia Masters Women | 10/25 07:00 | 5 | Yeung, S Y v Thet Htar Thuzar | L | 0-2 | |
| Kaohsiung Masters Women | 09/27 06:55 | 5 | Sum Yee Yeung v Nozomi Okuhara | L | 0-2 | |
| Yozu Indonesia Masters 2019, WS, Qualification | 09/05 06:20 | 4 | Sum Yee Yeung v Sin Yan Happy Lo | L | 1-2 | |
| Open de Suède - Femmes | 05/12 11:20 | - | Sum Yee Yeung v Anwesha Gowda | - | View | |
| Asia Championships Women | 04/26 11:10 | 5 | Sum Yee Yeung v Aya Ohori | L | 0-2 | |
| Thailand Int. Women | 03/09 05:10 | - | Sum Yee Yeung v Manami Suizu | - | View | |
| Thailand Int. Women | 03/08 05:30 | - | Yulia Y Susanto v Sum Yee Yeung | W | 1-2 | |
| Thailand Masters Women Qual | 01/31 03:40 | - | Frost, Kate v Sum Yee Yeung | L | 2-0 |