Round: 25 Ground: Clay
| Challenger - Ostrava | 2015/04/27 15:25 | Mertens, Yannick v Pedro Cachin | 3-6,4-6 |
| Challenger St Brieuc | 2015/04/09 11:30 | Sugita, Yuichi v Mertens, Yannick | 6-0,6-3 |
| Challenger St Brieuc | 2015/04/08 09:00 | Hugo Nys v Mertens, Yannick | 4-6,5-7 |
| ITF Tunisia F5 | 2015/04/05 09:00 | Geens, Clement v Mertens, Yannick | 3-6,6-4,7-5 |
| ITF Tunisia F5 | 2015/04/04 09:00 | Perez Sanz, David v Mertens, Yannick | 6-3,2-6,3-6 |
| ITF Tunisia F5 | 2015/04/03 09:00 | Nava, Eduardo v Mertens, Yannick | 3-6,5-7 |
| ITF Tunisia F5 | 2015/04/02 14:05 | Kanar, Jonathan v Mertens, Yannick | 2-6,5-7 |
| ITF Tunisia F5 | 2015/04/01 09:00 | Dzhavakian, Yurii v Mertens, Yannick | 4-6,1-6 |
| ATP - Madrid | 2015/05/04 13:30 | Gonzalez, Alejandro v Steve Johnson | 6-4,3-6,6-7 |
| ATP Madrid Qual | 2015/05/03 11:25 | Joao Sousa v Gonzalez, Alejandro | 6-2,5-7,2-6 |
| ATP Madrid Qual | 2015/05/02 09:00 | Kenny de Schepper v Gonzalez, Alejandro | 6-3,6-7,6-7 |
| ATP - Barcelone | 2015/04/21 13:05 | MONACO J. v Gonzalez, Alejandro | 7-5,6-1 |
| Challenger - Sarasota | 2015/04/15 16:45 | Renzo Olivo v Gonzalez, Alejandro | 6-3,6-3 |
| Challenger - Sarasota | 2015/04/14 15:00 | Liam Broady v Gonzalez, Alejandro | 6-7,1-6 |
| ATP Houston Qual | 2015/04/04 19:15 | Gonzalez, Alejandro v Zverev, Mischa | 4-6,2-6 |
| Miami, USA, Qualifying | 2015/03/24 16:50 | Gonzalez, Alejandro v James Duckworth | 2-6,6-7 |