Round: 62 Ground: Clay
| Challenger Poznan Qual | 2016/07/09 10:20 | Piotr Matuszewski v Tak Khunn Wang | 4-6,1-6 |
| ITF Poland F3 | 2016/06/06 09:00 | Piotr Matuszewski v Fabrizio Ornago | 3-6,2-6 |
| Challenger Ostrava Qual | 2016/04/23 09:40 | Piotr Matuszewski v Petr Michnev | 2-6,2-6 |
| ITF Croatia F4 Qual | 2016/03/20 10:30 | Piotr Matuszewski v Rrezart Cungu | 7-5,5-7,3-6 |
| ITF Poland F5 | 2015/09/08 09:35 | Martins Podzus v Piotr Matuszewski | 6-1,7-5 |
| ITF Poland F5 Qual | 2015/09/07 09:30 | Piotr Matuszewski v Vasil Yehorov | 6-0,6-3 |
| ITF Poland F5 Qual | 2015/09/06 08:00 | Piotr Matuszewski v Troy Dixon | 6-1,6-1 |
| ITF Slovakia F2 | 2016/07/31 06:30 | Petr Nouza v Alex Knaff | 7-5,6-2 |
| Cupa Davis | 2016/07/15 14:00 | Alex Knaff v Casper Ruud | 2-6,4-6,4-6 |
| ITF Germany F6 | 2016/07/03 08:00 | Raphael Calzi v Alex Knaff | 6-4,6-3 |
| ITF Belgium F2 | 2016/06/23 14:15 | Alex Knaff v Joran Vliegen | 2-6,4-6 |
| ITF Belgium F2 | 2016/06/22 15:45 | Alex Knaff v Mason Recci | 1-6,6-3,7-5 |
| Cupa Davis | 2016/03/06 09:40 | Lloyd Harris v Alex Knaff | 6-2,6-1 |
| Cupa Davis | 2016/03/04 08:00 | Tucker Vorster v Alex Knaff | 6-1,6-4,6-4 |
| Cupa Davis | 2015/07/19 10:30 | Alex Knaff v Tihomir Grozdanov | 3-6,7-5,4-6 |