Round: 27 Ground: Clay
| Challenger Campinas | 2015/09/23 22:25 | Arguello, Facundo v Clezar, Guilherme | 6-3,6-7,6-4 |
| Challenger Campinas | 2015/09/22 13:00 | Arguello, Facundo v Lapentti, Giovanni | 6-3,6-4 |
| US Open, New York, USA, Qualifying | 2015/08/26 18:15 | Fabbiano, Thomas v Arguello, Facundo | 6-2,7-5 |
| Challenger Meerbusch | 2015/08/22 11:00 | Haider-Maurer, Andreas v Arguello, Facundo | 6-4,6-4 |
| Challenger Meerbusch | 2015/08/19 12:00 | Arguello, Facundo v Saez, Juan Carlos | 6-3,6-2 |
| Challenger Meerbusch | 2015/08/18 14:00 | Arguello, Facundo v Greven, Marvin | 6-2,7-5 |
| Challenger Prague 2 | 2015/08/11 12:25 | Mektic, Nikola v Arguello, Facundo | 3-6,6-0,6-1 |
| Challenger Padova | 2015/06/30 16:35 | Arguello, Facundo v Volandri, Filippo | 0-6,3-6 |
| Challenger Campinas | 2015/09/24 16:00 | Velotti, Agustin v Pella, Guido | 2-6,3-6 |
| Challenger Campinas | 2015/09/23 14:35 | Gastao Elias v Pella, Guido | 4-6,1-6 |
| US Open, New York, USA | 2015/08/31 18:40 | Marin Cilic v Pella, Guido | 6-3,7-6,7-6 |
| US Open, New York, USA, Qualifying | 2015/08/28 15:00 | Pella, Guido v Mathias Bourgue | 6-3,6-4 |
| US Open, New York, USA, Qualifying | 2015/08/27 17:05 | Pella, Guido v Noah Rubin | 6-4,7-6 |
| US Open, New York, USA, Qualifying | 2015/08/25 15:00 | Pella, Guido v Beck, Andreas | 6-3,6-4 |
| Washington, USA | 2015/08/06 00:00 | Pella, Guido v Grigor Dimitrov | 6-7,4-6 |
| Washington, USA | 2015/08/04 22:05 | Pella, Guido v Dodig, Ivan | 6-3,6-7,7-5 |