Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| 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 Monastir | 2019/01/14 13:30 | Valentina Losciale v Onya, Allyson Nancy | 6-1,2-6,10-1 |
| Pretoria, Singles W-ITF-RSA-02A | 2019/09/29 07:00 | Sebata, Rapelang Danielle v Emma Van Poppel | 6-2,5-7,10-8 |
| Johannesburg, Singles W-ITF-RSA-01A | 2019/09/22 08:40 | Emma Van Poppel v Faure, Mikayla | 6-3,2-6,7-10 |