Round: 54 Ground: Clay
| ITF Italy F22 Qual | 2015/08/09 08:30 | Collin Altamirano v Giovanni Fonio | 6-3,6-4 |
| ITF Italy F21 | 2015/08/07 13:00 | Bortolotti, Marco v Collin Altamirano | 6-2,6-0 |
| ITF Italy F21 | 2015/08/06 14:10 | Collin Altamirano v Giacalone, Omar | 2-6,6-4,6-2 |
| ITF Italy F21 | 2015/08/05 09:55 | Collin Altamirano v Daniel Masur | 6-2,6-2 |
| ITF Italy F21 | 2015/08/04 12:35 | Maximilian Marterer v Collin Altamirano | 5-7,4-6 |
| ITF Italy F20 | 2015/07/27 12:00 | Collin Altamirano v Mercuri, Fabio | 6-7,7-6,1-6 |
| ITF Italy F17 | 2015/07/07 15:00 | Collin Altamirano v Stefano Travaglia | 2-6,6-7 |
| US Open, New York, USA, Qualifying | 2014/08/21 23:00 | Ricardas Berankis v Collin Altamirano | 2-6,6-1,6-1 |
| ITF Italy F22 Qual | 2015/08/08 08:30 | Scerrati, Ludovico v Di Nicola, Gianluca | 1-6,2-6 |
| ITF Italy F20 | 2015/07/28 19:30 | Di Nicola, Gianluca v Andrea Vavassori | 4-6,3-6 |
| Challenger Recanati Qual | 2015/07/20 10:05 | Di Nicola, Gianluca v Witten, Jesse | 4-6,6-4,2-6 |
| ITF Italy F11 | 2015/05/26 15:50 | Lorenzo Sonego v Di Nicola, Gianluca | 6-0,6-2 |
| ITF Italy F6 | 2015/04/22 12:25 | Di Nicola, Gianluca v Griekspoor, Scott | 3-6,4-6 |
| ITF Italy F6 | 2015/04/21 10:30 | Martos Gornes, Sergio v Di Nicola, Gianluca | 2-6,6-3,4-6 |
| Turkey F12, Singles Qualifying | 2015/03/27 12:00 | Lopez Perez v Di Nicola, Gianluca | 6-2,6-1 |
| Turkey F12, Singles Qualifying | 2015/03/26 11:10 | Di Nicola, Gianluca v Jose Pereira | 6-4,6-4 |