Round: 24 Ground: Clay
| ATP - Barcelone | 2015/04/22 09:00 | Andujar, Pablo v Mayer, Leonardo | 2-6,6-1,6-2 |
| ATP - Miami | 2015/03/29 15:00 | Anderson, Kevin v Mayer, Leonardo | 6-4,6-4 |
| Coupe Davis | 2015/03/08 14:00 | Mayer, Leonardo v Souza, Joao Olavo | 7-6,7-6,5-7,5-7,15-13 |
| Coupe Davis | 2015/03/06 19:25 | Mayer, Leonardo v Bellucci, Thomaz | 6-4,6-3,1-6,6-3 |
| Challenger Shanghai | 2014/10/08 13:45 | Federer, Roger v Mayer, Leonardo | 7-5,3-6,7-6 |
| Challenger Shanghai | 2014/10/07 12:20 | Mayer, Leonardo v Wu, Di | 6-4,6-1 |
| Coupe Davis | 2014/09/14 16:30 | Sela, Dudi v Mayer, Leonardo | 2-6,1-6,4-6 |
| Coupe Davis | 2014/09/12 15:30 | Botzer, Bar Tzuf v Mayer, Leonardo | 4-6,6-3,2-6,1-6 |
| ATP - Miami | 2015/03/28 20:10 | Darcis, Steve v Muller, Gilles | 6-4,6-7,6-3 |
| Coupe Davis | 2015/03/08 12:00 | Muller, Gilles v Rakotondramanga, Antso | 7-6,6-2,6-2 |
| US Open, New York, USA | 2014/08/25 21:20 | Muller, Gilles v Mathieu, Paul-Henri | 7-6,5-7,6-7,7-6,1-6 |
| Challenger Recanati | 2014/07/19 17:40 | Muller, Gilles v Kravchuk, Konstantin | 7-5,7-6 |
| Challenger Recanati | 2014/07/18 17:00 | Muller, Gilles v Salvatore Caruso | 6-1,7-6 |
| Challenger Recanati | 2014/07/17 14:30 | Muller, Gilles v Veger, Filip | 6-3,6-4 |
| Challenger Recanati | 2014/07/15 13:00 | Muller, Gilles v Grigelis, Laurynas | 6-3,6-3 |
| Wimbledon, London, Great Britain | 2014/06/26 17:15 | Muller, Gilles v Federer, Roger | 3-6,5-7,3-6 |