Stadion: Court 6 Round: 60 Ground: Hardcourt outdoor
| ITF Damen - W60 - Zagreb | 2019/09/05 13:00 | Elitsa Kostova v Antonia Lottner | 6-2,4-6,7-6 |
| French Open - Damen | 2020/09/23 08:00 | Daniela Seguel v Antonia Lottner | 7-5,6-2 |
| WTA - Lyon | 2020/03/02 14:15 | Antonia Lottner v Alize Cornet | 5-7,0-6 |
| WTA - Lyon | 2020/03/01 10:00 | Antonia Lottner v Cristina Bucsa | 2-6,6-3,7-6 |
| WTA - Lyon | 2020/02/29 10:40 | Antonia Lottner v Lou Brouleau | 6-3,6-2 |
| Australian Open - Frauen | 2020/01/21 05:55 | Antonia Lottner v Camila Giorgi | 3-6,3-6 |
| Australian Open - Frauen | 2020/01/18 01:30 | Destanee Aiava v Antonia Lottner | 4-6,2-6 |
| Australian Open - Frauen | 2020/01/16 08:55 | Chihiro Muramatsu v Antonia Lottner | 3-6,7-5,2-6 |
| Australian Open - Frauen | 2020/01/14 04:25 | Antonia Lottner v Katarzyna Kawa | 6-2,6-1 |
| ITF Damen - W25 - LPD Gran Canaria | 2020/11/18 13:00 | Elitsa Kostova v Jule Niemeier | 3-6,0-6 |
| French Open - Damen | 2020/09/24 08:00 | Elitsa Kostova v Monica Niculescu | 0-6,7-6,3-6 |
| French Open - Damen | 2020/09/22 13:10 | Elitsa Kostova v Gabriela Ce | 7-5,3-6,6-2 |
| ITF Damen - W60 - Saint Malo | 2020/09/09 10:00 | Magdalena Frech v Elitsa Kostova | 6-3,6-3 |
| WTA - Prag | 2020/08/30 16:30 | Elitsa Kostova v Martina Di Giuseppe | 5-7,6-3,3-6 |
| UTR Pro Tennis Series - Frankreich - Damen | 2020/08/17 07:05 | Arina Gabriela Vasilescu v Elitsa Kostova | 3-6,1-6 |
| UTR Pro Tennis Series - Frankreich - Damen | 2020/08/16 12:20 | Carole Monnet v Elitsa Kostova | 6-4,6-3 |
| UTR Pro Tennis Series - Frankreich - Damen | 2020/08/15 12:10 | Diana Marcinkevica v Elitsa Kostova | 1-6,7-6,4-10 |