Stadium: Court 6 Round: 26 Ground: Clay
| Challenger Alphen | 2016/09/07 10:30 | Oscar Otte v Constant Lestienne | 3-6,4-6 |
| Challenger Liberec | 2017/08/04 10:00 | Guilherme Clezar v Oscar Otte | 6-1,6-1 |
| Challenger Liberec | 2017/08/02 11:00 | Daniel Brands v Oscar Otte | 1-6,4-6 |
| Challenger Liberec | 2017/07/31 12:10 | Patrik Rikl v Oscar Otte | 4-6,2-6 |
| ATP Hamburg Qual | 2017/07/23 10:00 | Cedrik-Marcel Stebe v Oscar Otte | 6-7,7-6,6-1 |
| Challenger Braunschweig | 2017/07/14 15:30 | Viktor Galovic v Oscar Otte | 4-6,7-6,6-1 |
| Challenger Braunschweig | 2017/07/13 14:20 | Oscar Otte v Jerzy Janowicz | 4-6,7-5,6-4 |
| Challenger Braunschweig | 2017/07/13 10:35 | Maximilian Marterer v Oscar Otte | 2-6,6-2,3-6 |
| Challenger Braunschweig | 2017/07/11 09:00 | Louis Wessels v Oscar Otte | 1-6,4-6 |
| Challenger Biella | 2017/08/03 12:00 | Stefano Travaglia v Constant Lestienne | 7-5,6-4 |
| Challenger Biella | 2017/08/01 08:00 | Constant Lestienne v Lorenzo Giustino | 7-5,4-6,6-4 |
| ITF France F14 | 2017/07/09 12:30 | Constant Lestienne v Geoffrey Blancaneaux | 6-3,2-6,5-7 |
| ITF France F14 | 2017/07/08 12:30 | Constant Lestienne v Tomas Lipovsek Puches | 6-4,4-6,7-6 |
| ITF France F14 | 2017/07/06 10:30 | Constant Lestienne v Moez Echargui | 6-3,4-6,7-5 |
| Challenger Milan | 2017/06/26 13:40 | Constant Lestienne v Jose Hernandez-Fernandez | 5-7,7-6,3-6 |
| Challenger Blois | 2017/06/22 14:00 | Henri Laaksonen v Constant Lestienne | 6-4,6-4 |
| ITF Hungary F4 | 2017/06/18 09:00 | Constant Lestienne v Facundo Mena | 7-5,6-4 |