Round: 45 Ground: Hardcourt outdoor
| Wimbledon Qual | 2015/06/22 16:35 | Guilherme Clezar v Boy Westerhof | 5-7,4-6 |
| Challenger - Blois | 2015/06/18 12:20 | Calvin Hemery v Guilherme Clezar | 6-4,4-6,6-2 |
| Challenger - Blois | 2015/06/16 17:55 | Gonzalo Escobar v Guilherme Clezar | 6-3,4-6,6-7 |
| Challenger Caltanissetta | 2015/06/12 12:00 | Marco Cecchinato v Guilherme Clezar | 6-0,6-0 |
| Challenger Caltanissetta | 2015/06/10 13:40 | Adrian Ungur v Guilherme Clezar | 4-6,6-7 |
| Challenger Caltanissetta | 2015/06/08 14:50 | Gonzalo Lama v Guilherme Clezar | 7-6,2-6,2-6 |
| Challenger Mestre | 2015/06/04 11:30 | Nicolas Jarry v Guilherme Clezar | 6-3,6-4 |
| Challenger Mestre | 2015/06/02 10:00 | Andrea Arnaboldi v Guilherme Clezar | 7-6,1-6,1-6 |
| ATP - Newport | 2015/07/14 18:05 | Ryan Harrison v Yuichi Sugita | 1-6,7-5,3-6 |
| Wimbledon Qual | 2015/06/22 17:45 | Guido Andreozzi v Ryan Harrison | 7-6,4-6,6-4 |
| ATP Halle Qual | 2015/06/13 10:30 | Ryan Harrison v Tatsuma Ito | 4-6,2-6 |
| ATP Houston Qual | 2015/04/04 16:45 | Thiago Monteiro v Ryan Harrison | 4-6,7-6,6-2 |
| ATP - Miami | 2015/03/26 22:45 | Ryan Harrison v Jurgen Melzer | 6-7,3-6 |
| 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 |