INFO: click on player name to show detailed player statistics
Vivian Heisen vs. Olga Danilovic - head to head matches
| 22.07.18 | q 1 | Olga Danilovic | Vivian Heisen | 6-4, 6-4 | match details |  Moscow | Clay |
Vivian Heisen form & Olga Danilovic form
Vivian Heisen - last matches
 Cluj-Napoca - I. hard | ||||
| 15.10.23 qual. | vs. Anastasiia Sobolieva | 2-6, 1-2, - Vivian Heisen - retired |  | match details |
| 14.10.23 q 1 | vs. Dalila Jakupovic | 6-4, 6-1 |  | match details |
 Sydney - Hard | ||||
| 10.01.22 qual. | vs. Anna Schmiedlova | 0-6, 1-6 | | match details |
| 09.01.22 q 1 | vs. Alicia Smith | 6-1, 1-6, 3-0, Alicia Smith - retired | | match details |
 W100+H Dubai - Hard | ||||
| 21.11.21 q 1 | vs. Oksana Selekhmeteva | 2-6, 3-6 | | match details |
 Courmayeur - I. hard | ||||
| 23.10.21 q 1 | vs. Martina Di Giuseppe | 6-75, 1-6 | | match details |
 Saint-Malo - Clay | ||||
| 03.05.21 qual. | vs. Viktoriya Tomova | 6-4, 5-7, 1-6 | | match details |
| 02.05.21 q 1 | vs. Leonie Kung | 3-6, 6-4, 6-2 | | match details |
 W60 Bellinzona - Clay | ||||
| 06.04.21 1st round | vs. Maryna Zanevska | 0-6, 1-6 | | match details |
| 05.04.21 qual. | vs. Svenja Ochsner | 3-6, 6-1, 10-8 | | match details |
| 04.04.21 q 1 | vs. Marina Bassols Ribera | 6-1, 6-3 | | match details |
| W25 Kazan - I. hard | ||||
| 10.03.21 1st round | vs. Urszula Radwanska | 2-6, 5-7 | | match details |
 W25 Orlando - Hard | ||||
| 12.11.20 1st round | vs. Hurricane Tyra Black | 4-6, 1-6 | | match details |
| 12.11.20 qual. | vs. Jessica Livianu | 2-6, 6-2, 10-3 | | match details |
| 11.11.20 q 1 | vs. Elizabeth Coleman | 7-67, 6-4 | | match details |
 Prague - Clay | ||||
| 08.08.20 q 1 | vs. Ulrikke Eikeri | 1-6, 5-7 | | match details |
 All Lower - Clay | ||||
| 08.08.20 1st round | vs. Ulrikke Eikeri | 1-6, 5-7 | | match details |
| 17.06.20 1st round | vs. Julia Middendorf | 5-7, 6-4, 3-6 | | match details |
| 16.06.20 1st round | vs. Joelle Steur | 6-2, 6-0 | | match details |
| W25 Moscow - I. hard | ||||
| 28.02.20 1/4 | vs. Ekaterina Kazionova | 6-4, 4-6, 4-6 | | match details |
| 27.02.20 2nd round | vs. Aneta Laboutkova | 7-63, 6-4 | | match details |
| 26.02.20 1st round | vs. Sofya Lansere | 6-1, 4-6, 6-4 | | match details |
| W25 Kazan - I. hard | ||||
| 23.01.20 2nd round | vs. Valentini Grammatikopoulou | 2-6, 1-6 | | match details |
| 22.01.20 1st round | vs. Alisa Kummel | 6-4, 6-0 | | match details |
| W100+H Dubai - Hard | ||||
| 08.12.19 q 1 | vs. Nicoleta Dascalu | 1-6, 3-6 | | match details |
| W60 Nantes - I. hard | ||||
| 31.10.19 2nd round | vs. Martina Caregaro | 0-6, 2-6 | | match details |
| 30.10.19 1st round | vs. Verena Meliss | 6-4, 6-4 | | match details |
 W60 Caldas - Hard | ||||
| 25.09.19 1st round | vs. Amandine Hesse | 4-6, 0-6 | | match details |
 W25 Roehampton - Hard | ||||
| 20.09.19 1/2 | vs. Nuria Parrizas-Diaz | 5-7, 2-6 | | match details |
| 19.09.19 1/4 | vs. Emma Raducanu | 7-5, 4-1, Emma Raducanu - retired | | match details |
Olga Danilovic - last matches
| Rome - Clay | ||||
| 09.05.25 2nd round | vs. Qinwen Zheng | 1-6, 4-6 | | match details |
| 07.05.25 1st round | vs. Katerina Siniakova | 3-6, 6-4, 6-4 | | match details |
 Madrid - Clay | ||||
| 25.04.25 2nd round | vs. Ekaterina Alexandrova | 3-6, 4-6 | | match details |
| 23.04.25 1st round | vs. Victoria Azarenka | 6-4, 6-2 | | match details |
| Rouen - Clay | ||||
| 20.04.25 fin | vs. Elina Svitolina | 4-6, 6-78 | | match details |
| 19.04.25 1/2 | vs. Suzan Lamens | 6-4, 6-4 | | match details |
| 18.04.25 1/4 | vs. Moyuka Uchijima | 7-69, 4-6, 6-1 | | match details |
| 17.04.25 2nd round | vs. Linda Fruhvirtova | 6-2, 3-6, 6-4 | | match details |
| 15.04.25 1st round | vs. Aleksandra Krunic | 5-7, 6-0, 6-3 | | match details |
 Antalya - Clay | ||||
| 30.03.25 fin | vs. Victoria Jimenez Kasintseva | 6-2, 6-3 | | match details |
| 29.03.25 1/2 | vs. Oksana Selekhmeteva | 6-0, 6-2 | | match details |
| 28.03.25 1/4 | vs. Simona Waltert | 6-2, 6-2 | | match details |
| 27.03.25 2nd round | vs. Jana Fett | 6-0, Jana Fett - retired | | match details |
| 26.03.25 1st round | vs. Adelina Lachinova | 6-1, 6-3 | | match details |
| Miami - Hard | ||||
| 18.03.25 1st round | vs. Hailey Baptiste | 3-6, 7-65, 1-6 | | match details |
| Indian Wells - Hard | ||||
| 06.03.25 1st round | vs. Viktoriya Tomova | 2-6, 3-6 | | match details |
| Cluj-Napoca - I. hard | ||||
| 05.02.25 2nd round | vs. Viktoriya Tomova | 5-7, 5-7 | | match details |
| 04.02.25 1st round | vs. Alycia Parks | 6-3, 6-3 | | match details |
| Melbourne - Hard | ||||
| 19.01.25 4th round | vs. Paula Badosa Gibert | 1-6, 6-72 | | match details |
| 17.01.25 3rd round | vs. Jessica Pegula | 7-63, 6-1 | | match details |
| 15.01.25 2nd round | vs. Liudmila Samsonova | 6-1, 6-2 | | match details |
| 13.01.25 1st round | vs. Arantxa Rus | 6-4, 6-4 | | match details |
| Hobart - Hard | ||||
| 07.01.25 1st round | vs. Maya Joint | 2-6, 3-6 | | match details |
 Guangzhou - Hard | ||||
| 27.10.24 fin | vs. Caroline Dolehide | 6-3, 6-1 | | match details |
| 26.10.24 1/2 | vs. Katerina Siniakova | 4-6, 6-4, 4-3, Katerina Siniakova - retired | | match details |
| 25.10.24 1/4 | vs. Mananchaya Sawangkaew | 6-4, 6-4 | | match details |
| 23.10.24 2nd round | vs. Diane Parry | 6-1, 6-0 | | match details |
| 21.10.24 1st round | vs. Erika Andreeva | 6-4, 6-4 | | match details |
| W100 Cornella - Hard | ||||
| 13.10.24 fin | vs. Arantxa Rus | 6-2, 6-0 | | match details |
| 12.10.24 1/2 | vs. Polina Kudermetova | 6-4, 6-4 | | match details |
