Stadium: Court 1 Round: 19 Ground: Hardcourt indoor
| Challenger Bratislava | 2020/11/12 09:00 | Matteo Viola v Nikola Milojevic | 7-6,4-6,6-3 |
| Challenger Bratislava | 2020/11/10 12:55 | Jiri Lehecka v Matteo Viola | 6-2,4-6,6-7 |
| Challenger Parma 2 | 2020/11/04 14:45 | Quentin Halys v Matteo Viola | 4-6,6-3,7-6 |
| Challenger Ismaning | 2020/10/21 12:40 | Antoine Hoang v Matteo Viola | 6-2,3-6,6-3 |
| Challenger Ismaning | 2020/10/19 12:00 | Brandon Nakashima v Matteo Viola | 6-4,3-6,4-6 |
| ATP Sardinia | 2020/10/10 09:30 | Federico Coria v Matteo Viola | 6-2,1-6,7-6 |
| Challenger Biella | 2020/10/03 10:30 | Blaz Rola v Matteo Viola | 6-2,7-5 |
| Challenger Biella | 2020/09/30 10:00 | Remy Bertola v Matteo Viola | 1-6,5-7 |
| Challenger Istanbul | 2020/10/21 10:05 | Sebastian Ofner v Altug Celikbilek | 4-6,7-5,6-3 |
| Challenger Istanbul | 2020/10/19 08:30 | Altug Celikbilek v Lorenzo Giustino | 6-0,6-3 |
| Challenger Split | 2020/09/29 09:00 | Tomas Martin Etcheverry v Altug Celikbilek | 6-4,6-0 |
| Challenger Split | 2020/09/27 10:50 | Mathias Bourgue v Altug Celikbilek | 5-7,6-4,0-6 |
| Challenger Split | 2020/09/26 15:50 | Altug Celikbilek v Mukund Sasikumar | 6-1,6-3 |
| German Masters | 2020/08/28 08:55 | Altug Celikbilek v Peter Torebko | 4-6,4-6 |
| German Premier League | 2020/08/27 11:35 | Altug Celikbilek v Inigo C Huegun | 4-6,7-5,6-4 |
| German Premier League | 2020/08/26 13:35 | Altug Celikbilek v Daniil Glinka | 3-6,6-4,6-2 |