Stadium: O Round: 25 Ground: Synthetic outdoor
| ITF Women Trnava | 2018/02/09 13:10 | Elena Rybakina v Heisen, Vivian | 6-4,6-2 |
| ITF Women Trnava | 2018/02/08 11:30 | Stankovska, Nina v Heisen, Vivian | 1-6,4-6 |
| ITF Women Trnava | 2018/02/07 14:10 | Petrovicka, Kiara v Heisen, Vivian | 3-6,3-6 |
| Taipei, Chinese Taipei, Qualifying | 2017/11/12 04:45 | Diatchenko, Vitalia v Heisen, Vivian | 6-3,6-2 |
| WTA Hua Hin Qual | 2017/11/04 03:00 | Heisen, Vivian v Emina Bektas | 4-6,4-6 |
| ITF Women Brisbane | 2017/09/27 03:40 | Ueda, Ramu v Heisen, Vivian | 1-6,4-6 |
| Saint-Petersburg, Singles W-WITF-RUS-04A | 2017/09/19 09:20 | Ysaline Bonaventure v Heisen, Vivian | 6-3,7-6 |
| ITF Women St. Petersburg Qual | 2017/09/18 08:25 | Heisen, Vivian v Puchkova, Olga | 6-3,3-6,6-4 |
| ITF Women Heraklion | 2018/03/30 09:40 | Rubini, Stefania v Ylena In-Albon | 6-7,3-6 |
| ITF Women Heraklion | 2018/03/29 07:30 | Rubini, Stefania v Boev, Michaela | 2-6,6-3,6-4 |
| ITF Women Heraklion | 2018/03/27 07:00 | Rubini, Stefania v Anna Siskova | 6-1,6-4 |
| ITF Women Heraklion | 2018/03/23 10:20 | Rubini, Stefania v Delgado, Luniuska | 3-6,6-3,2-6 |
| ITF Women Heraklion | 2018/03/21 08:00 | Rubini, Stefania v Duca, Gabriela | 6-1,6-3 |
| ITF Women Solarino | 2018/03/09 09:30 | Rubini, Stefania v Gleason, Quinn | 6-4,6-7,6-7 |
| ITF Women Solarino | 2018/03/08 09:00 | Rubini, Stefania v Katarzyna Kawa | 6-3,6-3 |
| ITF Women Solarino | 2018/03/07 10:25 | Rubini, Stefania v Napolitano, Veronica | 6-1,6-1 |