Stadium: Court 3 Round: 25 Ground: Clay
| ITF W15 Guayaquil | 2022/09/21 15:00 | Valentina Vargas v Romina Ccuno | 0-6,0-6 |
| ITF W15 Guayaquil | 2022/09/20 15:00 | Samudio, Antonia v Postay, Daiana | 6-1,6-0 |
| ITF W25 SM de Montbui | 2022/05/23 08:30 | Gabriela M Vancea v Postay, Daiana | 6-1,6-2 |
| ITF W25 Cairo | 2022/04/24 11:00 | Hams Metwali v Postay, Daiana | 6-0,6-0 |
| ITF W15 Cairo | 2022/04/18 09:00 | Postay, Daiana v Helena Stevic | 0-6,0-6 |
| ITF W15 Cairo | 2022/04/17 11:00 | Postay, Daiana v El Sayed, Yasmina | 6-3,2-6,10-6 |
| ITF W15 Cairo | 2022/04/11 09:00 | Sofia Da Cruz Mendonca v Postay, Daiana | 6-1,6-4 |
| ITF W15 Cairo | 2022/04/10 12:00 | Razan M Teleb v Postay, Daiana | 4-6,1-6 |
| ITF W15 Lambare | 2021/12/14 17:40 | Cadence Brace v Postay, Daiana | 6-0,6-1 |