Round: 25 Ground: Hardcourt outdoor
| ITF Egypt F33 | 2015/10/06 14:30 | Clayton, Scott v Sillanpaa, Henrik | 7-5,6-0 |
| Challenger Tampere | 2015/07/21 15:30 | Sillanpaa, Henrik v Alexander Vasilenko | 2-6,6-3,6-7 |
| Coupe Davis | 2015/07/17 11:00 | Joao Sousa v Sillanpaa, Henrik | 6-0,6-2,6-0 |
| ITF Belgium F4 | 2015/06/30 08:00 | Thivant, Yannick v Sillanpaa, Henrik | 1-6,6-1,6-2 |
| ITF Egypt F33 | 2015/04/24 12:00 | Sillanpaa, Henrik v Sabry, Sherif | 6-2,1-6,4-6 |
| ITF Egypt F33 | 2015/04/23 08:00 | Sillanpaa, Henrik v Lizen, Aswin | 6-4,2-6,6-2 |
| ITF Egypt F33 | 2015/04/22 10:00 | Sillanpaa, Henrik v Sergiienko, Sergiy | 4-6,7-5,6-0 |
| ITF Egypt F33 | 2015/04/15 09:15 | Hossam, Karim v Sillanpaa, Henrik | 7-6,6-1 |
| ITF Egypt F33 | 2015/10/07 14:00 | Jedruszczak, Mikolaj v Drzewiecki, Karol | 6-4,3-6,6-3 |
| Challenger Szczecin Qual | 2015/09/13 11:45 | Smirnov, Artem v Drzewiecki, Karol | 7-6,6-4 |
| ITF Poland F5 | 2015/09/10 08:00 | Zieba, Konrad v Drzewiecki, Karol | 7-6,6-0 |
| ITF Poland F5 | 2015/09/08 11:20 | Drzewiecki, Karol v Khomich, Aleksei | 6-2,7-5 |
| ITF Poland F4 | 2015/09/02 08:50 | Drzewiecki, Karol v Eriksson, Markus | 5-7,1-6 |
| ITF Poland F4 | 2015/09/01 08:00 | Drzewiecki, Karol v Zbroja, Piotr | 6-2,6-4 |
| ITF Poland F2 | 2015/08/20 08:00 | Drzewiecki, Karol v Gianluca Mager | 2-6,6-4,2-6 |
| ITF Poland F2 | 2015/08/18 11:40 | Drzewiecki, Karol v Santanna, B. | 0-6,6-3,7-6 |