Round: 45 Ground: Hardcourt outdoor
| ATP Buenos Aires Qual | 2015/02/21 18:00 | Juan Ignacio Iliev v Guilherme Clezar | 1-6,0-6 |
| Challenger Guayaquil | 2014/11/12 01:40 | Renzo Olivo v Guilherme Clezar | 3-6,6-3,6-3 |
| Challenger Cali 2 | 2014/10/01 17:00 | Alejandro Gonzalez v Guilherme Clezar | 4-6,6-3,6-1 |
| Challenger Cali 2 | 2014/09/30 19:25 | Agustin Velotti v Guilherme Clezar | 2-6,2-6 |
| Challenger Campinas | 2014/09/19 15:00 | Diego Schwartzman v Guilherme Clezar | 6-3,7-6 |
| Challenger Campinas | 2014/09/17 20:45 | Nicolas Santos v Guilherme Clezar | 1-6,0-6 |
| Challenger Campinas | 2014/09/15 22:30 | Gonzalo Lama v Guilherme Clezar | 4-6,1-6 |
| Challenger Medellin | 2014/09/04 16:00 | Guilherme Clezar v Tomas Lipovsek Puches | 6-2,7-5 |
| ATP Memphis | 2015/02/11 22:30 | Kei Nishikori v Ryan Harrison | 3-6,6-3,6-4 |
| ATP Memphis | 2015/02/10 18:50 | Ryan Harrison v Malek Jaziri | 7-6,7-6 |
| Challenger Dallas | 2015/02/04 21:40 | Tim Smyczek v Ryan Harrison | 6-2,3-6,6-1 |
| Challenger Dallas | 2015/02/04 04:00 | Rhyne Williams v Ryan Harrison | 6-7,2-6 |
| Challenger Knoxville | 2014/11/05 23:30 | Ryan Harrison v Adrian Mannarino | 1-6,1-6 |
| Challenger Charlottesville | 2014/10/31 20:50 | Ryan Harrison v Liam Broady | 7-6,6-7,3-6 |
| Challenger Charlottesville | 2014/10/30 22:35 | Daniel Nguyen v Ryan Harrison | 1-6,4-6 |
| Challenger Charlottesville | 2014/10/28 23:50 | Ryan Harrison v Mitchell Frank | 6-4,6-1 |