| ITF W25 Radom | 2021/08/09 10:10 | Sina Herrmann v Aleksandra Julia Jelen | 1-6,4-6 |
| ITF W25 Bydgoszcz | 2021/08/04 08:00 | Sina Herrmann v Carole Monnet | 6-7,6-7 |
| ITF W25 Bydgoszcz | 2021/08/03 08:00 | Sina Herrmann v Valeriya Olyanovskaya | 4-6,6-4,10-3 |
| ITF W25 Bydgoszcz | 2021/08/02 08:00 | Sina Herrmann v Christina Rosca | 6-1,6-2 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/26 10:40 | Mika D Fruchtman v Sina Herrmann | 1-6,6-4,10-8 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/25 12:00 | Sowjanya Bavisetti v Sina Herrmann | 1-6,1-6 |
| ITF W25 Tarvisio | 2021/07/13 11:50 | Sina Herrmann v Cristina Dinu | 2-6,0-6 |
| WTA Hamburg | 2021/07/05 10:55 | Sina Herrmann v Isabella Shinikova | 4-6,2-6 |
| ITF W15 Antalya | 2021/01/29 06:30 | Mei Yamaguchi v Laura Isabel Putz | 6-2,6-2 |
| ITF W15 Antalya | 2021/01/28 06:00 | Beyza Yaniklar v Laura Isabel Putz | 1-6,0-6 |
| ITF W25 Hamburg | 2021/01/10 15:00 | Federica Di Sarra v Laura Isabel Putz | 6-1,6-3 |
| German Championship Women | 2020/12/08 12:30 | Katharina Hering v Laura Isabel Putz | 7-6,6-0 |
| ITF W25 Aschaffenburg | 2019/07/15 15:05 | Anna Gabric v Laura Isabel Putz | 5-7,6-2,13-11 |
| ITF W25 Aschaffenburg | 2019/07/15 10:40 | Laura Isabel Putz v Angelina Zhuravleva | 6-0,6-3 |