Stadium: Court 22 Round: 25 Ground: Clay
| Eastern European Championship | 2020/11/18 14:20 | Gabriel Donev v Petar Pjevcevic | 6-1,6-2 |
| Eastern European Championship | 2020/11/17 15:30 | Gabriel Donev v Paul Valsecchi | 4-6,4-6 |
| Eastern European Championship | 2020/11/16 15:10 | Gabriel Donev v Tomislav Jotovski | 6-0,7-6 |
| ATP Sofia | 2020/11/07 10:00 | Fabrizio Ornago v Gabriel Donev | 6-3,1-6,6-2 |
| ITF M15 Heraklion | 2020/11/02 11:00 | Gabriel Donev v Clement Tabur | 3-6,1-6 |
| ITF M15 Heraklion | 2020/11/01 12:00 | Gabriel Donev v Billy Harris | 3-6,6-1,10-7 |
| ITF M15 Heraklion | 2020/10/26 07:30 | Gabriel Donev v Michal Dembek | 1-6,2-6 |
| ITF M15 Curtea de Arges | 2020/09/17 11:05 | Duje Ajdukovic v Gabriel Donev | 7-5,7-6 |
| ITF M15 Sharm El Sheikh | 2020/10/18 07:00 | Sebastian Prechtel v Egor Novikov | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2020/10/12 09:00 | Michael Zhu v Sebastian Prechtel | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2020/10/11 12:00 | Mohamed Aboulkassem v Sebastian Prechtel | 2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2020/10/08 10:45 | Sebastian Prechtel v Marko Topo | 6-7,6-7 |
| ITF M15 Sharm El Sheikh | 2020/10/06 08:00 | Alexander Donski v Sebastian Prechtel | 6-3,6-7,4-6 |
| ITF M25 Jablonec Nad Nisou | 2020/09/20 08:00 | Sebastian Prechtel v Petr Michnev | 6-4,1-6,9-11 |
| ITF M15 Anif | 2020/08/24 11:20 | Alexander Shevchenko v Sebastian Prechtel | 7-6,6-1 |
| ITF M15 Anif | 2020/08/23 12:00 | George Botezan v Sebastian Prechtel | 4-6,6-7 |