| Indonesia Masters Women | 2019/10/03 06:10 | Ji, S. v Zheng, S. Y. | L | 2-0 |
| Indonesia Masters Women | 2019/10/02 05:40 | Zheng, S. Y. v Choirunnisa, Choirunnisa | W | 2-0 |
| Yozu Indonesia Masters 2019, WS, Qualification | 2019/10/01 08:08 | Dharshinie Vasigaran v Zheng, S. Y. | W | 0-2 |
| Yozu Indonesia Masters 2019, WS, Qualification | 2019/10/01 04:20 | Zheng, S. Y. v Chen, You-Chi | W | 2-0 |
| China Masters Women | 2019/03/14 07:00 | Li, Y. v Zheng, S. Y. | L | 2-1 |
| China Masters Women | 2019/03/13 06:00 | Zheng, S. Y. v Aimsaard, Nuntakarn | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/03/12 06:15 | Zi Ying Qiu v Zheng, S. Y. | W | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/03/12 04:30 | Lin, J. Y. v Zheng, S. Y. | W | 0-2 |
| Dutch Open Women | 2019/10/09 09:15 | Julie Dawall Jakobsen v Mikkela, Airi | L | 2-0 |
| Russia Open 2019, WS | 2019/07/18 03:00 | Kirsty Gilmour v Mikkela, Airi | L | 2-0 |
| Russia Open 2019, WS | 2019/07/17 02:40 | Mikkela, Airi v Khmelj, Ekaterina | W | 2-0 |
| White Nights Women | 2019/07/12 11:00 | Lianne Tan v Mikkela, Airi | L | 2-0 |
| White Nights Women | 2019/07/11 12:30 | Mikkela, Airi v Dzhedzhla, Daria | W | 2-0 |
| European Games Women | 2019/06/27 10:35 | Kjaersfeldt, L. H. v Mikkela, Airi | L | 2-0 |
| Brazil Int. Women | 2019/05/02 16:05 | Ulitina, M. v Mikkela, Airi | L | 2-0 |
| Finnish Open Women | 2019/04/05 09:55 | Mikkela, Airi v Joshi, Prashi | W | 2-0 |