Stadium: Center Court Round: 25 Ground: Clay
| Challenger Segovia | 2017/08/01 08:00 | Goncalo Oliveira v Yannick Mertens | 6-3,3-6,6-4 |
| ATP Gstaad Qual | 2017/07/22 10:10 | Yannick Mertens v Gleb Sakharov | 4-6,5-7 |
| Challenger Scheveningen | 2017/07/18 11:40 | Botic Van De Zandschulp v Yannick Mertens | 4-6,6-3,6-2 |
| ITF France F15 | 2017/07/10 18:00 | Yannick Mertens v Edoardo Eremin | 5-7,2-6 |
| Challenger Recanati | 2017/07/05 15:30 | Yannick Mertens v Quentin Halys | 1-6,4-6 |
| Challenger Recanati | 2017/07/04 08:30 | Yannick Mertens v Dmitry Popko | 3-6,6-3,7-6 |
| ATP Antalya Qual | 2017/06/25 10:10 | Ramkumar Ramanathan v Yannick Mertens | 6-3,6-4 |
| ATP Antalya Qual | 2017/06/24 10:50 | Altug Celikbilek v Yannick Mertens | 2-6,4-6 |
| ITF Estonia F1 | 2017/07/29 09:00 | Jurgen Zopp v George Von Massow | 6-1,6-3 |
| ITF Estonia F1 | 2017/07/28 15:50 | Matias Franco Descotte v George Von Massow | 3-6,1-6 |
| ITF Estonia F1 | 2017/07/27 08:00 | George Von Massow v Tom Fawcett | 6-3,6-2 |
| ITF Estonia F1 | 2017/07/26 08:00 | George Von Massow v David Volfson | 6-0,7-6 |
| ITF Estonia F1 | 2017/07/25 08:00 | George Von Massow v Keisuke Numajiri | 6-2,6-2 |
| Challenger Scheveningen | 2017/07/17 12:00 | George Von Massow v Sergiy Stakhovsky | 6-7,2-6 |
| Challenger Scheveningen Qual | 2017/07/16 13:30 | Roy De Valk v George Von Massow | 3-6,2-6 |
| Challenger Scheveningen Qual | 2017/07/15 09:25 | Vadim Alekseenko v George Von Massow | 0-6,1-6 |