Stadium: Court 2 Round: 45 Ground: Clay
| WTA - Rabat | 2019/04/27 12:15 | Olga Danilovic v Qostal, Lina | 6-1,6-2 |
| Fed Cup, Groupe Mondial | 2019/04/20 09:25 | Akopyan, Gabriella v Qostal, Lina | 5-7,2-6 |
| Fed Cup, Groupe Mondial | 2019/04/18 08:00 | Qostal, Lina v Fennelly, Jane | 6-2,2-6,7-6 |
| Fed Cup, Matchs en Doubles | 2017/06/17 08:20 | Timotin, Jennifer v Qostal, Lina | 6-7,0-6 |
| Fed Cup, Matchs en Doubles | 2017/06/15 08:25 | Qostal, Lina v Nhamitambo, Marieta de Lyubov | 6-0,6-1 |
| WTA - Rabat | 2017/05/02 10:00 | Dabrowski, Gabriela v Qostal, Lina | 6-1,6-0 |
| Rabat, Simples W-C10-MAR-06A | 2016/12/27 11:00 | Chen, Ruoyu v Qostal, Lina | 6-3,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2016/07/27 16:00 | Qostal, Lina v Peddi Reddy, Sri Vaishnavi | 2-6,1-6 |
| ITF W15 Cairo | 2019/04/30 08:00 | Milosevic, Tamara v Boylan, Lina | 6-0,6-0 |
| Cairo, Singles W-WITF-EGY-02A | 2018/12/09 09:30 | Boylan, Lina v Anastasia Zolotareva | 0-6,1-6 |
| Cairo, Singles W-WITF-EGY-02A | 2018/05/08 09:00 | Pappa, Vanesa v Boylan, Lina | 6-0,6-0 |
| Cairo, Singles W-WITF-EGY-02A | 2018/04/29 08:00 | Nihalani, Sabhyata v Boylan, Lina | 6-0,6-0 |
| Cairo, Singles W-WITF-EGY-02A | 2018/04/22 10:30 | Beberechi, Andreia v Boylan, Lina | 6-1,6-1 |