Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Lagos | 2019/10/07 12:30 | Onya, Allyson Nancy v Emma Van Poppel | 7-6,6-3 |
| Pretoria, Singles W-ITF-RSA-02A | 2019/10/01 10:30 | Onya, Allyson Nancy v Riley, Alexandra | 5-7,3-6 |
| Pretoria, Singles W-ITF-RSA-02A | 2019/09/30 07:30 | Onya, Allyson Nancy v Theron, Amonette | 6-1,6-1 |
| Johannesburg, Singles W-ITF-RSA-01A | 2019/09/23 09:55 | Onya, Allyson Nancy v Faure, Mikayla | 2-6,2-6 |
| ITF W15 Nairobi | 2019/08/06 06:00 | Onya, Allyson Nancy v Danilchenko, Anfisa | 2-6,2-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/05/20 08:00 | Astigarraga Harper, Pilar v Onya, Allyson Nancy | 6-2,7-5 |
| ITF - W15 Sharm El Sheikh | 2019/02/04 07:30 | Onya, Allyson Nancy v Mar, Tricia | 2-6,0-6 |
| ITF - W15 Monastir | 2019/01/21 08:30 | Onya, Allyson Nancy v Milosevic, Tamara | 3-6,3-6 |
| ITF - W15 Antalya | 2019/09/28 07:30 | Fanny Ostlund v Ochsner, Svenja | 5-7,6-7 |
| ITF - W15 Antalya | 2019/09/26 11:10 | Lovqvist, Julia v Fanny Ostlund | 1-6,6-7 |
| ITF - W15 Antalya | 2019/09/24 07:00 | Yukina Saigo v Fanny Ostlund | 2-6,7-6,1-6 |
| ITF - W15 Antalya | 2019/09/20 07:00 | Manon Arcangioli v Fanny Ostlund | 6-4,6-1 |
| ITF - W15 Antalya | 2019/09/19 07:00 | Melis Sezer v Fanny Ostlund | 6-2,1-6,6-7 |
| ITF - W15 Antalya | 2019/09/18 08:40 | Olga Helmi v Fanny Ostlund | 2-6,1-6 |
| ITF W15 Cairo | 2019/09/15 08:00 | Sandra Samir v Fanny Ostlund | 3-6,4-6 |
| ITF W15 Cairo | 2019/09/14 08:00 | Anastasia Zolotareva v Fanny Ostlund | 4-6,1-6 |