Round: 26 Ground: Clay
| Challenger Caltanissetta | 2015/06/08 18:40 | Maxime Hamou v Adrian Ungur | 4-6,6-3,4-6 |
| Challenger Rome | 2015/05/07 12:40 | Marco Cecchinato v Adrian Ungur | 6-3,6-4 |
| Challenger Rome | 2015/05/06 13:55 | Pedro Cachin v Adrian Ungur | 3-6,4-6 |
| Challenger Rome | 2015/05/05 15:00 | Adrian Ungur v Radek Stepanek | 6-3,6-7,7-6 |
| Davis Cup | 2015/03/08 11:00 | Adrian Ungur v Edan Leshem | 6-4,6-2 |
| Davis Cup | 2015/03/06 11:00 | Adrian Ungur v Bar Tzuf Botzer | 7-5,6-3,6-0 |
| Challenger Casablanca | 2015/01/15 11:00 | Adrian Ungur v Lamine Ouahab | 2-6,2-6 |
| Challenger Casablanca | 2015/01/14 11:00 | Adrian Ungur v Gregoire Burquier | 6-1,6-3 |
| 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 |
| Challenger Vicenza | 2015/05/27 11:35 | Facundo Bagnis v Guilherme Clezar | 6-3,6-4 |
| Challenger Vicenza | 2015/05/25 15:40 | Guilherme Clezar v Frank Dancevic | 7-6,6-7,6-3 |
| Challenger Sarasota Qual | 2015/04/13 17:55 | Guilherme Clezar v Mischa Zverev | 1-6,2-6 |
| ATP Houston | 2015/04/07 20:45 | Janko Tipsarevic v Guilherme Clezar | 6-4,3-6,7-6 |
| ATP Houston Qual | 2015/04/05 16:00 | Facundo Bagnis v Guilherme Clezar | 2-6,6-7 |