Round: 62 Ground: Clay
| ITF Bolivia F1 | 2015/09/08 21:00 | Gabriel P Tumasonis v Murkel Dellien | 1-6,3-6 |
| ITF Bolivia F1 | 2015/09/06 14:00 | Gabriel P Tumasonis v Marco Antonio Rojas | 7-5,6-2 |
| ITF Bolivia F1 | 2015/09/05 13:00 | Gabriel P Tumasonis v Alejandro Dorado | 6-1,6-0 |
| ITF Brazil F4 | 2015/08/18 15:30 | Alexandre G R Girotto v Gabriel P Tumasonis | 7-5,2-6,7-5 |
| ITF Brazil F3 | 2015/06/21 12:00 | Federico Nicolas Bertucci v Gabriel P Tumasonis | 6-2,6-2 |
| ITF Brazil F1 | 2015/06/06 18:10 | Gabriel P Tumasonis v Agustin Suarez Gonzalez | 7-6,6-2 |
| ITF Colombia F3 | 2015/05/26 15:00 | Daniel Elahi Galan v Gabriel P Tumasonis | 6-3,6-7,6-4 |
| ITF Colombia F2 | 2015/05/19 19:45 | Gabriel P Tumasonis v Carlos Salamanca | 3-6,4-6 |
| ITF Bolivia F1 | 2015/09/05 13:00 | Gerardo Irarrazabal v Guillermo Cabrera | 4-6,2-6 |
| ITF Brazil F3 | 2015/06/23 13:00 | Gerardo Irarrazabal v Orlando Luz | 1-6,6-2,2-6 |
| ITF Brazil F3 | 2015/06/21 12:00 | Luciano Doria v Gerardo Irarrazabal | 4-6,2-6 |
| ITF Brazil F3 | 2015/06/20 12:00 | Gerardo Irarrazabal v Luis Britto | 7-5,6-3 |
| ITF Brazil F2 | 2015/06/13 12:30 | Gerardo Irarrazabal v Federico Moreno | 4-6,6-4,4-6 |
| ITF Argentina F5 | 2015/05/10 12:30 | Santiago Maresca v Gerardo Irarrazabal | 6-2,6-4 |
| ITF Argentina F5 | 2015/05/09 12:00 | Gerardo Irarrazabal v Federico Agustin Gomez | 6-4,3-6,6-2 |
| ITF Argentina F4 | 2015/05/03 13:00 | Santiago Villarruel v Gerardo Irarrazabal | 6-2,6-7,6-4 |