Stadium: B Round: 45
| Challenger - Buenos Aires | 2017/03/18 14:00 | Mayer, Leonardo v Tristan Lamasine | 6-1,6-1 |
| Challenger Bastad | 2017/07/11 12:20 | Tristan Lamasine v Henri Laaksonen | 1-6,4-6 |
| Wimbledon Qual | 2017/06/26 11:30 | Bemelmans, Ruben v Tristan Lamasine | 3-6,6-1,6-3 |
| Challenger Blois | 2017/06/20 08:00 | Tristan Lamasine v Eysseric, Jonathan | 6-3,4-6,4-6 |
| Lyon, France | 2017/06/17 12:10 | Tristan Lamasine v Mathias Bourgue | 2-6,1-6 |
| Lyon, France | 2017/06/16 13:00 | Zeballos, Horacio v Tristan Lamasine | 7-5,5-7,4-6 |
| Lyon, France | 2017/06/15 09:00 | Tristan Lamasine v Cristian Garin | 6-1,6-4 |
| Lyon, France | 2017/06/13 09:35 | Tristan Lamasine v Cem Ilkel | 6-1,6-4 |
| Challenger Lyon Qual | 2017/06/12 10:25 | Tristan Lamasine v Michon, Axel | 6-3,7-6 |
| Challenger Bastad | 2017/07/15 11:00 | Dusan Lajovic v Mayer, Leonardo | 6-2,7-6 |
| Challenger Bastad | 2017/07/14 10:55 | Mayer, Leonardo v Ymer, Mikael | 6-3,6-0 |
| Challenger Bastad | 2017/07/13 09:00 | Mayer, Leonardo v Henri Laaksonen | 3-6,6-3,6-2 |
| Challenger Bastad | 2017/07/12 11:55 | Mayer, Leonardo v Filip Krajinovic | 7-6,6-3 |
| Challenger Bastad | 2017/07/10 11:00 | Casper Ruud v Mayer, Leonardo | 6-3,6-7,4-6 |
| Challenger - Vicence | 2017/06/01 13:30 | Mayer, Leonardo v Donati, Matteo | 6-3,1-6,2-6 |
| Challenger - Vicence | 2017/05/30 11:50 | Mayer, Leonardo v Cervantes, Inigo | 6-4,7-6 |
| French Open Qual | 2017/05/24 10:30 | Opelka, Reilly v Mayer, Leonardo | 5-7,7-6,6-3 |