Round: 1
| International Tennis Series | 2020/05/02 22:00 | Paolo Lorenzi v Nikola Samardzic | 4-0,4-0 |
| International Tennis Series | 2020/05/02 21:20 | Nikola Samardzic v Dmitry Popko | 1-4,3-4 |
| International Tennis Series | 2020/05/02 19:40 | Nikola Samardzic v Dmitry Popko | 1-4,3-4 |
| International Tennis Series | 2020/04/26 18:20 | Dominik Koepfer v Nikola Samardzic | 4-1,4-2 |
| International Tennis Series | 2020/04/26 17:35 | Nikola Samardzic v Evan King | 4-2,4-3 |
| International Tennis Series | 2020/04/26 15:40 | Nikola Samardzic v Ivan Yatsuk | 1-4,4-3,1-4 |
| International Tennis Series | 2020/04/25 20:30 | Roberto Cid Subervi v Nikola Samardzic | 4-2,4-3 |
| International Tennis Series | 2020/04/25 16:35 | Ivan Yatsuk v Nikola Samardzic | 4-3,4-3 |
| International Tennis Series | 2020/05/02 23:10 | Strong Kirchheimer v Dmitry Popko | 3-4,4-1,4-2 |
| International Tennis Series | 2020/05/02 19:00 | Paolo Lorenzi v Strong Kirchheimer | 3-4,4-3,4-2 |
| Challenger Columbus | 2020/02/27 15:00 | Strong Kirchheimer v Kaichi Uchida | 4-6,6-1,6-7 |
| Challenger Columbus | 2020/02/25 20:10 | Peter Polansky v Strong Kirchheimer | 6-4,1-6,6-7 |
| Challenger Columbus | 2020/02/24 16:50 | Strong Kirchheimer v Jose Hernandez-Fernandez | 4-6,6-2,6-3 |
| Challenger Drummondville | 2020/02/20 00:20 | Dominik Koepfer v Strong Kirchheimer | 7-5,4-6,6-3 |
| Challenger Drummondville | 2020/02/17 19:00 | Strong Kirchheimer v Filip Peliwo | 6-3,6-4 |
| ITF M15 Cancun | 2020/02/14 14:00 | Strong Kirchheimer v Gabriel Petit | 4-6,6-4,3-6 |