Round: 26 Ground: Clay
| Challenger Caltanissetta | 2015/06/08 18:40 | Hamou, Maxime v Ungur, Adrian | 4-6,6-3,4-6 |
| Challenger - Rome | 2015/05/07 12:40 | Marco Cecchinato v Ungur, Adrian | 6-3,6-4 |
| Challenger - Rome | 2015/05/06 13:55 | Pedro Cachin v Ungur, Adrian | 3-6,4-6 |
| Challenger - Rome | 2015/05/05 15:00 | Ungur, Adrian v STEPANEK R. | 6-3,6-7,7-6 |
| Coupe Davis | 2015/03/08 11:00 | Ungur, Adrian v Edan Leshem | 6-4,6-2 |
| Coupe Davis | 2015/03/06 11:00 | Ungur, Adrian v Botzer, Bar Tzuf | 7-5,6-3,6-0 |
| Challenger Casablanca | 2015/01/15 11:00 | Ungur, Adrian v Ouahab, Lamine | 2-6,2-6 |
| Challenger Casablanca | 2015/01/14 11:00 | Ungur, Adrian v Burquier, Gregoire | 6-1,6-3 |
| Challenger Caltanissetta | 2015/06/08 14:50 | Gonzalo Lama v Clezar, Guilherme | 7-6,2-6,2-6 |
| Challenger Mestre | 2015/06/04 11:30 | Nicolas Jarry v Clezar, Guilherme | 6-3,6-4 |
| Challenger Mestre | 2015/06/02 10:00 | Arnaboldi, Andrea v Clezar, Guilherme | 7-6,1-6,1-6 |
| Challenger - Vicence | 2015/05/27 11:35 | Facundo Bagnis v Clezar, Guilherme | 6-3,6-4 |
| Challenger - Vicence | 2015/05/25 15:40 | Clezar, Guilherme v Dancevic, Frank | 7-6,6-7,6-3 |
| Sarasota, USA, Qualifying | 2015/04/13 17:55 | Clezar, Guilherme v Zverev, Mischa | 1-6,2-6 |
| ATP - Houston | 2015/04/07 20:45 | Tipsarevic, Janko v Clezar, Guilherme | 6-4,3-6,7-6 |
| ATP Houston Qual | 2015/04/05 16:00 | Facundo Bagnis v Clezar, Guilherme | 2-6,6-7 |