Round: 26 Ground: Clay
| Challenger - San Luis Potosí | 2015/04/01 21:10 | Smith, Connor v Clezar, Guilherme | 2-6,5-7 |
| Challenger Guayaquil | 2014/11/12 01:40 | Renzo Olivo v Clezar, Guilherme | 3-6,6-3,6-3 |
| Cali, Colombia | 2014/10/01 17:00 | Gonzalez, Alejandro v Clezar, Guilherme | 4-6,6-3,6-1 |
| Cali, Colombia | 2014/09/30 19:25 | Velotti, Agustin v Clezar, Guilherme | 2-6,2-6 |
| Challenger Campinas | 2014/09/19 15:00 | Diego Schwartzman v Clezar, Guilherme | 6-3,7-6 |
| Challenger Campinas | 2014/09/17 20:45 | Santos, Nicolas v Clezar, Guilherme | 1-6,0-6 |
| Challenger Campinas | 2014/09/15 22:30 | Gonzalo Lama v Clezar, Guilherme | 4-6,1-6 |
| Challenger Cortina | 2014/07/28 16:25 | Volandri, Filippo v Clezar, Guilherme | 2-6,7-6,6-3 |
| Challenger - San Luis Potosí | 2015/04/01 16:30 | Mcgee, James v Damir Dzumhur | 7-5,6-3 |
| Challenger Dallas | 2015/02/04 00:10 | Smyczek, Tim v Mcgee, James | 3-6,6-4,7-5 |
| Challenger Knoxville | 2014/11/06 17:20 | Mcgee, James v Adrian Mannarino | 3-6,2-6 |
| Challenger Knoxville | 2014/11/05 19:10 | Arevalo-Gonzalez, Marcelo v Mcgee, James | 3-6,2-6 |
| Challenger Charlottesville | 2014/10/28 14:00 | Tennys Sandgren v Mcgee, James | 6-3,6-1 |
| Challenger Tiburon | 2014/10/10 22:50 | Querrey, Sam v Mcgee, James | 6-1,7-5 |
| Challenger Tiburon | 2014/10/08 22:00 | Mcgee, James v Jordan Thompson | 7-6,6-3 |
| Challenger Tiburon | 2014/10/06 19:40 | Kyle Edmund v Mcgee, James | 6-3,3-6,3-6 |