Ground: Clay
| ITF USA F15 | 2014/06/17 15:50 | Collin Altamirano v Redlicki, Martin | 4-6,6-2,6-4 |
| ITF Spain F10 | 2014/05/23 11:00 | Noah Rubin v Collin Altamirano | 4-6,6-2,6-3 |
| ITF Spain F10 | 2014/05/21 15:30 | Collin Altamirano v Pedro Cachin | 6-3,6-1 |
| ITF Spain F10 | 2014/05/19 10:00 | Kishi, Ryota v Collin Altamirano | 0-6,1-6 |
| ITF Spain F9 | 2014/05/15 09:00 | Zhurbin, Alexander v Collin Altamirano | 4-6,6-4,2-6 |
| Challenger - Tallahassee | 2014/04/30 14:30 | Dancevic, Frank v Collin Altamirano | 6-2,6-2 |
| Sarasota, USA, Qualifying | 2014/04/14 15:00 | Alexander Zverev v Collin Altamirano | 6-2,6-0 |
| ITF USA F9 | 2014/03/19 17:00 | Collin Altamirano v Ernesto Escobedo | 6-1,7-6 |
| ITF USA F15 | 2014/06/18 14:00 | Gosea, Farris Fathi v Nevolo, Dennis | 7-5,4-6,3-6 |
| ITF USA F14 | 2014/05/16 14:00 | Nevolo, Dennis v Cristian Garin | 6-7,4-6 |
| ITF USA F14 | 2014/05/15 15:30 | Nevolo, Dennis v Galarza, Juan Ignacio | 6-4,6-4 |
| ITF USA F13 | 2014/05/07 17:45 | Nevolo, Dennis v Siller, Rogelio | 4-6,6-7 |
| Challenger - Tallahassee | 2014/04/28 18:20 | Ward, James v Nevolo, Dennis | 6-1,6-1 |
| ITF USA F11 | 2014/04/10 16:20 | Nevolo, Dennis v Santiago, Mico | 0-6,5-7 |
| ITF USA F11 | 2014/04/08 15:00 | Vorster, Tucker v Nevolo, Dennis | 1-6,3-6 |
| USA F7, Singles Qualifying | 2014/02/27 15:40 | Nevolo, Dennis v Frances Tiafoe | 3-6,4-6 |