Round: 26 Ground: Clay
| ITF Italy F7 | 2015/04/30 11:00 | Ljubomir Celebic v Filippo Leonardi | 6-4,2-6,3-6 |
| ITF Romania F13 | 2015/08/20 09:30 | Filippo Leonardi v David Fleming | 6-2,6-3 |
| ITF Romania F12 | 2015/08/12 07:00 | Roberto Marcora v Filippo Leonardi | 6-3,6-0 |
| ITF Romania F12 | 2015/08/11 09:00 | Filippo Leonardi v Dmitrii Baskov | 6-0,6-2 |
| ITF Italy F21 | 2015/08/04 15:00 | Maverick Banes v Filippo Leonardi | 4-6,6-3,6-4 |
| ATP Umag Qual | 2015/07/19 10:50 | Facundo Bagnis v Filippo Leonardi | 6-3,6-3 |
| ATP Umag Qual | 2015/07/18 10:00 | Filippo Leonardi v Santiago Gonzalez | 6-2,6-4 |
| ITF Italy F17 | 2015/07/07 19:00 | Pietro Licciardi v Filippo Leonardi | 7-5,6-2 |
| ITF Italy F15 | 2015/06/20 10:05 | Filippo Leonardi v Lorenzo Brunetti | 6-3,7-6 |
| ITF Romania F13 | 2015/08/18 06:30 | Ljubomir Celebic v Alessandro Colella | 7-6,6-1 |
| ITF Germany F10 | 2015/08/07 10:00 | Hugo Dellien v Ljubomir Celebic | 6-1,7-5 |
| ITF Germany F10 | 2015/08/06 11:00 | Ljubomir Celebic v Matthias Wunner | 6-2,7-5 |
| ITF Germany F10 | 2015/08/05 11:30 | Adrian Sikora v Ljubomir Celebic | 4-6,6-2,4-6 |
| ITF Germany F10 | 2015/08/04 09:00 | Fabian Fallert v Ljubomir Celebic | 3-6,2-6 |
| ITF Serbia F7 | 2015/07/29 09:40 | Ljubomir Celebic v Hugo Grenier | 4-6,1-6 |
| ITF Serbia F6 | 2015/07/23 15:00 | Ljubomir Celebic v Miki Jankovic | 3-6,4-6 |
| ITF Serbia F6 | 2015/07/22 15:00 | Ljubomir Celebic v Petar Conkic | 6-3,6-1 |