Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W60 Meitar | 2019/09/09 10:10 | Heisen, Vivian v Nicole Khirin | 6-7,7-6,4-10 |
| ITF W25 Vienna | 2019/08/27 12:30 | Dascalu, Nicoleta-Catalina v Heisen, Vivian | 6-0,4-6,6-3 |
| ITF W25 Leipzig | 2019/08/14 09:00 | Julia Grabher v Heisen, Vivian | 6-1,6-4 |
| ITF W25 Leipzig | 2019/08/13 09:00 | Heisen, Vivian v Tayisiya Morderger | 6-2,6-0 |
| ITF W25 Leipzig | 2019/08/12 09:00 | Heisen, Vivian v Drazic, Mariana | 6-1,6-0 |
| Varsovie, Simples W-ITF-POL-02A | 2019/08/06 07:00 | Heisen, Vivian v Shoshyna, Anastasiya | 4-6,2-6 |
| Varsovie, Simples W-ITF-POL-02A | 2019/08/05 08:45 | Heisen, Vivian v Ukolova, Anna | 6-2,6-4 |
| Woking, Singles W-ITF-GBR-08A | 2019/08/02 11:55 | Heisen, Vivian v Oceane Dodin | 5-7,6-7 |
| ITF W25 Roehampton | 2019/09/16 16:00 | van Nguyen, Chanelle v Dissanayake, Tanysha | 6-1,6-4 |
| ITF W25 Roehampton | 2019/09/16 11:35 | van Nguyen, Chanelle v Saar, Katriin | 6-4,6-4 |
| ITF W25 Frydek Mistek | 2019/09/11 13:50 | Ekaterine Gorgodze v van Nguyen, Chanelle | 7-5,6-3 |
| ITF W25 Frydek Mistek | 2019/09/10 08:00 | van Nguyen, Chanelle v Brichackova, Sabina | 5-7,6-1,10-1 |
| ITF W25 Frydek Mistek | 2019/09/09 12:00 | van Nguyen, Chanelle v Linda Sevcikova | 6-1,3-6,10-4 |
| ITF W15 Cancun | 2019/08/21 20:10 | van Nguyen, Chanelle v Kobelt, Madeleine | 6-3,3-6,6-7 |
| ITF W15 Cancun | 2019/08/14 18:20 | Katarina Kozarov v van Nguyen, Chanelle | 2-6,6-1,6-4 |
| ITF W25 Fort Worth | 2019/08/04 15:00 | van Nguyen, Chanelle v Catherine Harrison | 4-6,0-6 |