| City | Tennis Club | Begin Date | End Date |
|---|
| 1 |  | Bulgaria | Haskovo Cup | 08/05/2021 | 09/05/2021 | | 2 | | Bulgaria | Super Sport Cup | 15/05/2021 | 16/05/2021 | | 3 | | Plovdiv | Loko 98 Cup | 15/05/2021 | 16/05/2021 | | 4 | | Bulgaria | Favorit Cup | 22/05/2021 | 23/05/2021 | | 5 | | Bulgaria | Favorit Cup | 29/05/2021 | 30/05/2021 | | 6 | | Bulgaria | Avenue Cup | 12/06/2021 | 13/06/2021 | | 7 | | Bulgaria | Cherno Morets Cup | 12/06/2021 | 13/06/2021 | | 8 | | Varna | Cherno More Elit Cup | 14/07/2021 | 15/07/2021 | | 9 | | Bulgaria | Svilengrad Cup | 17/07/2021 | 18/07/2021 | | 10 | | Bulgaria | Avgusta Trajana Cup | 14/08/2021 | 15/08/2021 | | 11 | | Varna | Cherno More Elit Cup | 14/08/2021 | 15/08/2021 | | 12 | | Pleven | Pleven 90 Cup | 11/09/2021 | 12/09/2021 | | 13 | | Santa Marina | Santa Marina Cup | 11/09/2021 | 12/09/2021 | | 14 | | Bulgaria | Ruse Cup | 18/09/2021 | 19/09/2021 | | 15 | | Bulgaria | Prista 2011 Cup | 18/09/2021 | 19/09/2021 | | 16 | | Plovdiv | Plovdiv 1981 Cup | 25/09/2021 | 26/09/2021 |
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