Stadium: Court 2 Round: 27 Ground: Clay
| ITF Women Hammamet | 2017/03/17 09:00 | Nina Potocnik v Katharina Gerlach | 7-6,6-0 |
| ITF W25 Buenos Aires | 2021/03/26 12:00 | Katharina Gerlach v Carolina Alves | 4-6,1-6 |
| ITF W25 Buenos Aires | 2021/03/24 16:10 | Katharina Gerlach v Diana Marcinkevica | 6-0,6-1 |
| ITF W25 Altenkirchen | 2021/02/18 13:10 | Cristina Bucsa v Katharina Gerlach | 6-1,6-3 |
| ITF W25 Altenkirchen | 2021/02/17 09:30 | Dalma Galfi v Katharina Gerlach | 6-7,3-6 |
| ITF W25 Altenkirchen | 2021/02/15 14:20 | Katharina Gerlach v Simona Waltert | 1-6,0-6 |
| ITF W25 Altenkirchen | 2021/02/14 12:30 | Katharina Gerlach v Shiho Akita | 6-0,5-7,10-8 |
| ITF W60 Rome GA | 2021/01/28 00:10 | Irene Burillo Escorihuela v Katharina Gerlach | 3-6,6-2,6-1 |
| ITF W25 Fujairah | 2021/01/19 09:45 | Katharina Gerlach v Xinyu Wang | 1-6,2-6 |
| ITF W15 Bratislava | 2021/03/17 13:45 | Mia Chudejova v Nina Potocnik | 3-6,6-2,7-6 |
| ITF W15 Antalya | 2021/02/23 09:00 | Nina Potocnik v Justina Mikulskyte | 7-5,2-6,2-6 |
| ITF W25 Prerov | 2020/09/23 13:05 | Anna Bondar v Nina Potocnik | 6-3,6-4 |
| ITF W25 Prerov | 2020/09/22 08:00 | Nina Potocnik v Tayisiya Morderger | 7-6,7-6 |
| ITF W25 Prerov | 2020/09/21 09:00 | Nina Potocnik v Natalie Augustinova | 6-0,6-1 |
| ITF W25 Frydek Mistek | 2020/09/18 11:30 | Gabriela Talaba v Nina Potocnik | 7-6,7-6 |
| ITF W25 Frydek Mistek | 2020/09/17 09:25 | Nina Potocnik v Grace Min | 6-3,6-4 |
| ITF W25 Frydek Mistek | 2020/09/15 13:20 | Nina Potocnik v Natalie Augustinova | 6-4,6-3 |