Stadium: Court 17 Round: 26 Ground: Clay
| ITF W60 Zagreb | 2021/04/27 09:00 | Haas, Barbara v Cristina Bucsa | 6-7,6-1,6-2 |
| WTA Istanbul | 2021/04/20 08:00 | Kristina Mladenovic v Haas, Barbara | 6-4,6-3 |
| WTA Istanbul | 2021/04/18 10:25 | Haas, Barbara v Nuria Parrizas-Diaz | 6-2,1-6,0-6 |
| WTA Istanbul | 2021/04/17 15:10 | Haas, Barbara v Zeynep Sonmez | 6-3,7-5 |
| WTA - Dubaï | 2021/03/06 07:55 | Dabrowski, Gabriela v Haas, Barbara | 6-2,2-6,3-6 |
| WTA Lyon | 2021/02/28 09:00 | Haas, Barbara v Gatto-Monticone, Giulia | 6-2,3-6,3-6 |
| WTA Lyon | 2021/02/27 09:00 | Haas, Barbara v Lois Boisson | 3-6,6-2,7-5 |
| Open d'Australie - Femmes | 2021/01/10 08:10 | Maria Camila Osorio Serrano v Haas, Barbara | 6-3,3-6,7-5 |
| ITF W60 Zagreb | 2021/04/28 08:00 | Tara Wurth v Rebecca Marino | 6-4,4-6,7-6 |
| ITF W60 Zagreb | 2021/04/26 08:00 | Pemra Ozgen v Tara Wurth | 3-6,5-7 |
| ITF W60 Zagreb | 2021/04/25 08:00 | Tara Wurth v Anna Bondar | 7-5,6-7,10-7 |
| ITF - W15 Antalya | 2021/04/02 10:00 | Tara Wurth v Andreea Prisacariu | 7-5,1-6,4-6 |
| ITF - W15 Antalya | 2021/04/01 08:40 | Rosa Vicens Mas v Tara Wurth | 7-6,6-7,2-6 |
| ITF - W15 Antalya | 2021/03/31 09:45 | Tara Wurth v Lee, So-Ra | 6-3,7-5 |
| ITF - W15 Antalya | 2021/03/30 07:00 | Ekaterina Shalimova v Tara Wurth | 5-7,2-6 |
| ITF - W15 Antalya | 2021/03/29 07:00 | Alba Rey Garcia v Tara Wurth | 3-6,2-6 |