Stadium: Stadium Round: 26 Ground: Grass
| Newport, USA | 2018/07/17 15:00 | Aragone, JC v Granollers, Marcel | 6-7,0-6 |
| Challenger Winnipeg | 2018/07/14 17:15 | Jason Kubler v Granollers, Marcel | 4-6,7-5,6-3 |
| Challenger Winnipeg | 2018/07/13 15:00 | Torpegaard, Mikael v Granollers, Marcel | 4-6,1-6 |
| Challenger Winnipeg | 2018/07/12 15:00 | Song, Evan v Granollers, Marcel | 2-6,1-6 |
| Challenger Winnipeg | 2018/07/10 16:20 | Harris, Andrew v Granollers, Marcel | 3-6,4-6 |
| Wimbledon Qual | 2018/06/26 17:00 | Granollers, Marcel v Smith, John-Patrick | 3-6,4-6 |
| Wimbledon Qual | 2018/06/25 13:35 | Granollers, Marcel v Oscar Otte | 6-4,6-3 |
| Challenger - Nottingham | 2018/06/16 11:00 | Daniel Evans v Granollers, Marcel | 4-6,6-2,6-3 |
| Newport, USA | 2018/07/17 16:25 | Baghdatis, Marcos v Muller, Gilles | 6-7,3-6 |
| Wimbledon, London, Great Britain | 2018/07/04 16:00 | Kohlschreiber, Philipp v Muller, Gilles | 7-6,7-6,7-6 |
| Wimbledon, London, Great Britain | 2018/07/02 10:30 | Muller, Gilles v Michael Mmoh | 7-5,4-6,7-6,3-6,6-1 |
| Eastbourne, Great Britain | 2018/06/25 11:55 | Muller, Gilles v John Millman | 7-6,3-6,2-6 |
| London, Great Britain | 2018/06/20 15:25 | Marin Cilic v Muller, Gilles | 4-6,6-3,6-3 |
| London, Great Britain | 2018/06/18 11:00 | Denis Shapovalov v Muller, Gilles | 6-7,6-7 |
| s-Hertogenbosch, Netherlands | 2018/06/13 13:25 | Muller, Gilles v Ebden, Matthew | 3-6,5-7 |
| Open de France | 2018/05/28 09:00 | Gulbis, Ernests v Muller, Gilles | 2-6,6-4,6-4,6-3 |