Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF W100 Dubai | 2019/12/08 13:00 | Heisen, Vivian v Dascalu, Nicoleta-Catalina | 1-6,3-6 |
| ITF W60 Nantes | 2019/10/31 10:00 | Caregaro, Martina v Heisen, Vivian | 6-0,6-2 |
| ITF W60 Nantes | 2019/10/30 11:10 | Heisen, Vivian v Verena Meliss | 6-4,6-4 |
| ITF W60 Caldas da Rainha | 2019/09/25 10:00 | Amandine Hesse v Heisen, Vivian | 6-4,6-0 |
| ITF W25 Roehampton | 2019/09/20 10:00 | Nuria Parrizas-Diaz v Heisen, Vivian | 7-5,6-2 |
| ITF W25 Roehampton | 2019/09/18 11:05 | Georges, Myrtille v Heisen, Vivian | 1-6,1-6 |
| ITF W25 Roehampton | 2019/09/17 09:45 | Heisen, Vivian v van Nguyen, Chanelle | 6-2,6-1 |
| ITF W60 Meitar | 2019/09/09 10:10 | Heisen, Vivian v Nicole Khirin | 6-7,7-6,4-10 |
| ITF W25 Kazan | 2020/01/21 08:50 | Alisa Kummel v Anastasiia Poplavska | 7-6,3-6,11-9 |
| ITF - W15 Antalya | 2019/12/01 07:00 | Jirasook, Keira v Alisa Kummel | 6-2,6-2 |
| ITF - W15 Shymkent | 2019/09/18 06:50 | Alisa Kummel v Sukhotina, Anastasia | 5-7,2-6 |
| ITF - W15 Shymkent | 2019/09/17 04:00 | Alisa Kummel v Mayer, Kristina | 6-1,6-4 |
| Moscou, Simples W-ITF-RUS-02A | 2019/07/22 08:00 | Kremen, Ilona v Alisa Kummel | 6-4,1-6,11-9 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/08 11:45 | Zakordoniec, Emma v Alisa Kummel | 0-6,7-6,14-12 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/01 08:30 | Alisa Kummel v Audenaert, Eline | 2-6,6-7 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/24 11:10 | Ivana Sebestova v Alisa Kummel | 6-2,6-2 |