Stadium: Court 2 Round: 25 Ground: Clay
| Essen, Simples W-ITF-GER-06A | 2019/05/30 16:30 | Paula Badosa v Zaja, Anna | 4-6,6-2,6-2 |
| Essen, Simples W-ITF-GER-06A | 2019/05/29 12:10 | Komardina, Anastasiya v Zaja, Anna | 5-7,1-6 |
| Essen, Simples W-ITF-GER-06A | 2019/05/28 13:05 | Zarycka, Anastatsia v Zaja, Anna | 1-6,6-4,5-7 |
| French Open Women | 2019/05/21 11:25 | Jasmine Paolini v Zaja, Anna | 6-2,6-4 |
| Wiesbaden, Simples W-ITF-GER-03A | 2019/05/02 11:25 | Dejana Radanovic v Zaja, Anna | 4-6,6-4,6-2 |
| Wiesbaden, Simples W-ITF-GER-03A | 2019/05/01 12:10 | Gerlach, Katharina v Zaja, Anna | 4-6,6-3,0-6 |
| WTA - Stuttgart | 2019/04/22 11:00 | Sara Sorribes Tormo v Zaja, Anna | 1-6,6-1,7-6 |
| WTA - Stuttgart | 2019/04/21 12:40 | Zaja, Anna v Bernarda Pera | 6-3,7-5 |
| ITF W60 Brescia | 2019/06/07 12:35 | Haas, Barbara v Deborah Chiesa | 6-7,5-7 |
| ITF W60 Brescia | 2019/06/06 15:00 | Haas, Barbara v Pemra Ozgen | 6-4,6-2 |
| ITF W60 Brescia | 2019/06/05 12:00 | Hogenkamp, Richel v Haas, Barbara | 4-6,6-3,2-6 |
| ITF W25 Grado | 2019/05/30 11:05 | Cagla Buyukakcay v Haas, Barbara | 6-3,7-6 |
| WTA Prague | 2019/04/30 12:55 | Bernarda Pera v Haas, Barbara | 6-4,6-2 |
| WTA Prague | 2019/04/30 08:00 | Marie Bouzkova v Haas, Barbara | 6-7,1-6 |
| WTA Prague | 2019/04/28 10:55 | Haas, Barbara v Bolsova Zadoinov, Aliona | 6-1,5-7,6-2 |
| WTA Prague | 2019/04/27 12:50 | Haas, Barbara v Rebecca Sramkova | 7-5,6-4 |