Round: 26 Ground: Hardcourt outdoor
| Challenger Morelos | 2015/02/17 16:00 | Jimmy Wang v Giovanni Lapentti | 5-7,2-6 |
| Challenger Guayaquil | 2014/11/13 02:05 | Giovanni Lapentti v Paolo Lorenzi | 2-6,4-6 |
| Challenger Guayaquil | 2014/11/12 01:00 | Giovanni Lapentti v Juan Ignacio Londero | 4-6,6-0,7-5 |
| Challenger Cali 2 | 2014/09/30 15:30 | Giovanni Lapentti v Nicolas Barrientos | 7-6,4-6,1-6 |
| ITF Colombia F4 | 2014/08/28 17:30 | Fernando Romboli v Giovanni Lapentti | 2-6,4-6 |
| ITF Colombia F4 | 2014/08/27 21:10 | Felipe Mantilla v Giovanni Lapentti | 4-6,3-6 |
| Challenger Cortina | 2014/07/31 09:45 | Matthias Bachinger v Giovanni Lapentti | 6-1,1-6,7-5 |
| Challenger Cortina | 2014/07/29 08:00 | Karim Hossam v Giovanni Lapentti | 2-6,1-6 |
| Challenger Morelos | 2015/02/17 17:30 | Daniel Nguyen v Hugo Dellien | 6-1,6-1 |
| ATP Memphis Qual | 2015/02/07 17:25 | Denis Kudla v Daniel Nguyen | 6-0,6-1 |
| Challenger Dallas | 2015/02/03 22:30 | Daniel Nguyen v Teymuraz Gabashvili | 4-6,3-6 |
| ITF USA F4 | 2015/01/15 21:00 | Yannick Hanfmann v Daniel Nguyen | 6-4,6-3 |
| ITF USA F2 | 2015/01/07 21:00 | Nathan Ponwith v Daniel Nguyen | 0-6,6-4,6-0 |
| Challenger Knoxville | 2014/11/04 18:15 | Daniel Nguyen v Jared Donaldson | 7-5,1-6,2-6 |
| Challenger Charlottesville | 2014/10/30 22:35 | Daniel Nguyen v Ryan Harrison | 1-6,4-6 |
| Challenger Charlottesville | 2014/10/28 20:00 | Rajeev Ram v Daniel Nguyen | 3-6,3-6 |