Stadium: Court 8 Round: 25 Ground: Clay
| Tabarka, Singles W-ITF-TUN-18A | 2019/05/20 13:30 | Lutzeier, Lena v Astigarraga Harper, Pilar | 7-5,6-0 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/05/20 08:00 | Astigarraga Harper, Pilar v Onya, Allyson Nancy | 6-2,7-5 |
| ITF Women Benicarlo | 2017/11/13 13:00 | Angela Fita Boluda v Astigarraga Harper, Pilar | 7-6,6-3 |
| ITF Women Benicarlo | 2017/11/11 12:00 | Astigarraga Harper, Pilar v Kholopenko, Ekaterina | 7-5,6-3 |
| ITF Women Porto | 2017/08/02 09:00 | Ana Filipa Santos v Astigarraga Harper, Pilar | 6-4,6-1 |
| ITF Women Porto | 2017/07/31 16:50 | Neto, Sara v Astigarraga Harper, Pilar | 3-6,1-6 |
| ITF Women Porto | 2017/07/30 08:00 | Astigarraga Harper, Pilar v Wuarin, Pauline | 6-1,3-6,6-2 |
| ITF Women Cantanhede | 2017/07/13 14:35 | Astigarraga Harper, Pilar v Koehler, Maria Joao | 3-6,2-6 |
| ITF - W15 Antalya | 2019/04/17 07:00 | Chanel Simmonds v Pirok, Alexa | 6-0,6-1 |
| ITF - W15 Antalya | 2019/04/10 09:40 | Manca Pislak v Pirok, Alexa | 6-4,6-3 |
| ITF - W15 Antalya | 2019/04/03 11:20 | Pirok, Alexa v Nikitina, Iuliia | 7-5,5-7,3-6 |
| ITF - W15 Sharm El Sheikh | 2019/02/20 08:00 | Pirok, Alexa v Silich, Alina | 1-6,6-7 |
| ITF - W15 Sharm El Sheikh | 2019/02/11 12:00 | Pirok, Alexa v Kajsa Rinaldo Persson | 4-6,1-6 |
| ITF - W15 Sharm El Sheikh | 2019/02/11 07:30 | Pirok, Alexa v Washington, Amber | 6-3,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/12/07 08:40 | Pirok, Alexa v Gaspar-Ivan, Ioana | 2-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/12/01 09:15 | Pirok, Alexa v Dia Evtimova | 4-6,2-6 |