Round: 26 Ground: Clay
| ITF Poland F1 | 2015/08/11 12:30 | Matic, Nico v Wagner, Bastian | 6-3,6-1 |
| ITF Latvia F1 | 2015/08/06 07:00 | Matic, Nico v Jelle Sels | 6-4,4-6,4-6 |
| ITF Latvia F1 | 2015/08/05 08:35 | Matic, Nico v Losbergs, Mikus | 6-1,6-2 |
| ITF Latvia F1 | 2015/08/04 07:00 | Matic, Nico v Elmar Ejupovic | 6-4,6-1 |
| ITF Romania F9 | 2015/07/15 10:20 | Fortuna, Claudio v Matic, Nico | 6-4,6-0 |
| ITF Romania F9 | 2015/07/14 12:25 | Hannestad, Benjamin v Matic, Nico | 2-6,6-2,2-6 |
| ITF Serbia F3 | 2015/06/23 09:50 | Matic, Nico v Stanek, Robin | 6-7,6-7 |
| ITF Serbia F2 | 2015/06/21 10:00 | Matic, Nico v Petrovic, Danilo | 6-4,6-4 |
| ITF Poland F1 | 2015/08/11 09:55 | Grandon Diaz, Cristobal v Gawron, Marcin | 1-6,4-6 |
| ITF Slovakia F2 | 2015/07/23 10:30 | Fabian, Patrik v Gawron, Marcin | 6-3,6-4 |
| ITF Slovakia F2 | 2015/07/22 08:00 | Gawron, Marcin v Drzewiecki, Karol | 6-4,6-1 |
| ITF Belgium F6 | 2015/07/14 13:30 | Gawron, Marcin v Joris De Loore | 4-6,6-7 |
| ITF Austria F3 | 2015/07/08 15:00 | Gawron, Marcin v Trinker, Bastian | 6-7,3-6 |
| ITF Austria F3 | 2015/07/07 13:30 | Schroll, Philipp v Gawron, Marcin | 0-6,6-7 |
| ITF Austria F2 | 2015/07/02 13:20 | Dmitriev, Kirill v Gawron, Marcin | 6-4,6-3 |
| ITF Austria F2 | 2015/07/01 08:00 | Gawron, Marcin v Lescure, Mick | 6-1,4-6,6-0 |