Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Hua Hin | 2019/10/15 03:00 | Olga Helmi v Kanako Osafune | 6-2,6-3 |
| ITF W15 Hua Hin | 2019/10/09 03:00 | Yexin Ma v Olga Helmi | 6-3,6-0 |
| ITF W15 Antalya | 2019/09/24 07:00 | Olga Helmi v Martyna Kubka | 2-6,6-7 |
| ITF W15 Antalya | 2019/09/18 08:40 | Olga Helmi v Fanny Ostlund | 2-6,1-6 |
| ITF W15 Haren | 2019/08/28 12:50 | Katharina Hering v Olga Helmi | 6-2,6-4 |
| ITF W15 Oldenzaal | 2019/08/14 08:00 | Olga Helmi v Marina Yudanov | 6-7,0-6 |
| ITF W25 Woking | 2019/07/29 08:30 | Grace Piper v Olga Helmi | 7-6,6-3 |
| ITF W15 Gimcheon | 2019/06/21 01:00 | Olga Helmi v Shiori Fukuda | 5-7,4-6 |
| ITF W60 Changsha | 2019/09/02 02:00 | Xu Liu Sun v Kwan Yau Ng | 6-1,6-1 |
| ITF W25 Guiyang | 2019/08/19 04:00 | Kwan Yau Ng v Amy Zhu | 1-6,0-6 |
| ITF W25 Huangshan | 2019/08/13 02:00 | Yidi Yang v Kwan Yau Ng | 6-0,6-2 |
| ITF W25 Huangshan | 2019/08/12 03:25 | Ai Qi Chen v Kwan Yau Ng | 3-6,2-6 |
| ITF W25 Taipei | 2019/07/30 02:00 | Kwan Yau Ng v I-Hsuan Cho | 6-7,0-6 |
| ITF W25 Nonthaburi | 2019/07/22 02:30 | Kai-Chen Chang v Kwan Yau Ng | 6-3,6-1 |
| ITF W80 Nur-Sultan | 2019/07/17 10:10 | Ksenia Palkina v Kwan Yau Ng | 6-4,6-3 |
| ITF W80 Nur-Sultan | 2019/07/16 06:40 | Vlada Koval v Kwan Yau Ng | 6-1,6-0 |