| ITF Germany F5 | 2015/07/02 11:00 | David Simunek v Elie Rousset | 3-6,4-6 |
| ITF Germany F5 | 2015/06/30 12:20 | David Simunek v Daniel Glancy | 6-3,6-7,6-1 |
| ITF Germany F5 | 2015/06/29 11:00 | David Simunek v Nico Mertens | 6-1,6-1 |
| ITF Germany F5 | 2015/06/28 08:00 | David Simunek v Hendrik Jebens | 6-2,6-2 |
| ITF Belgium F3 | 2015/06/23 13:15 | Romain Barbosa v David Simunek | 3-6,2-6 |
| ITF Czech Republic F1 Qual | 2015/05/10 08:00 | David Simunek v Szymon Walkow | 7-6,1-6,2-6 |
| ITF Greece F9 | 2015/04/30 07:00 | Erik Crepaldi v David Simunek | 6-1,7-6 |
| ITF Greece F9 | 2015/04/29 10:05 | David Simunek v Keisuke Watanuki | 6-4,6-2 |
| ITF Belgium F6 Qual | 2015/07/11 07:00 | David Pel v Yates Johnson | 6-0,6-2 |
| ITF Belgium F6 Qual | 2015/07/11 07:00 | Jelle Sels v David Pel | 6-3,7-6 |
| ITF Netherlands F2 | 2015/06/24 15:00 | David Pel v Takanyi Garanganga | 3-6,3-6 |
| ITF Netherlands F2 Qual | 2015/06/21 12:00 | Jan Zednik v David Pel | 5-7,0-6 |
| ITF Netherlands F2 Qual | 2015/06/20 08:00 | Fabian Van Der Lans v David Pel | 6-7,3-6 |
| ITF Netherlands F1 Qual | 2015/06/15 11:10 | David Pel v Tim Van Der Horst | 6-3,6-4 |
| ITF Kuwait F2 | 2014/11/19 06:30 | David Pel v Daniel Masur | 0-6,2-6 |
| ITF Kuwait F2 | 2014/11/17 08:05 | David Pel v Shonigmatjon Shofayziyev | 6-2,6-3 |