Stadium: Court 6 Round: 25 Ground: Clay
| Woking, Singles W-ITF-GBR-08A | 2019/07/29 08:30 | Piper, Grace v Olga Helmi | 7-6,6-3 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/21 01:00 | Olga Helmi v Shiori Fukuda | 5-7,4-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/20 03:45 | Yidi Yang v Olga Helmi | 6-7,6-4,3-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/18 05:10 | Koike, Satsuki v Olga Helmi | 6-7,4-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/13 03:10 | Olga Helmi v Eunhye Lee | 2-6,4-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/11 05:00 | Jeong, Yeong Won v Olga Helmi | 4-6,2-6 |
| ITF - W15 Antalya | 2019/04/24 07:00 | Olga Helmi v Eliessa Vanlangendonck | 5-7,1-6 |
| ITF - W15 Antalya | 2019/04/17 12:10 | Olga Helmi v Ochsner, Svenja | 6-7,4-6 |
| ITF W25 Koksijde | 2019/08/08 13:10 | Hogenkamp, Richel v Yudanov, Marina | 6-4,6-1 |
| ITF W25 Koksijde | 2019/08/07 14:15 | Sinja Kraus v Yudanov, Marina | 4-6,7-6,2-6 |
| ITF W15 Knokke | 2019/08/02 08:00 | Yudanov, Marina v Yukina Saigo | 6-0,5-7,4-6 |
| ITF W15 Knokke | 2019/08/01 10:00 | Yudanov, Marina v Melgers, Annick | 6-4,6-2 |
| ITF W15 Knokke | 2019/07/31 09:00 | Yudanov, Marina v Casteleyn, Emily | 6-1,6-0 |
| ITF W25 Aschaffenburg | 2019/07/16 11:30 | Matvienko, Lisa v Yudanov, Marina | 6-0,7-5 |
| ITF W25 Den Haag | 2019/07/04 10:15 | Suzan Lamens v Yudanov, Marina | 6-0,6-0 |
| ITF W25 Den Haag | 2019/07/03 12:20 | Noa Liauw A Fong v Yudanov, Marina | 1-6,1-6 |