Stadium: Center Court Round: 26 Ground: Clay
| Challenger Tampere | 2018/07/24 13:50 | Nicola Kuhn v Thiemo De Bakker | 6-7,1-6 |
| Challenger Scheveningen | 2018/07/22 12:00 | Yannick Maden v Thiemo De Bakker | 2-6,1-6 |
| Challenger Scheveningen | 2018/07/21 14:30 | Kimmer Coppejans v Thiemo De Bakker | 1-6,4-6 |
| Challenger Scheveningen | 2018/07/20 17:35 | Alessandro Giannessi v Thiemo De Bakker | 6-3,6-7,4-6 |
| Challenger Scheveningen | 2018/07/18 16:35 | Uladzimir Ignatik v Thiemo De Bakker | 4-6,6-7 |
| Challenger Scheveningen | 2018/07/17 14:00 | Thiemo De Bakker v Adam Pavlasek | 6-7,7-6,6-3 |
| Challenger Milan | 2018/06/30 13:00 | Laslo Djere v Thiemo De Bakker | 7-6,4-6,7-5 |
| Challenger Milan | 2018/06/29 15:30 | Thiemo De Bakker v Andrea Arnaboldi | 3-6,6-1,6-4 |
| Challenger Tampere | 2018/07/23 16:55 | Elliot Benchetrit v Pedro Sousa | 6-3,6-2 |
| Challenger Scheveningen | 2018/07/17 09:00 | Bernabe Zapata Miralles v Elliot Benchetrit | 7-5,6-1 |
| Challenger Scheveningen Qual | 2018/07/16 10:00 | Elliot Benchetrit v Marvin Netuschil | 6-4,6-3 |
| Challenger Scheveningen Qual | 2018/07/15 10:00 | Elliot Benchetrit v Fabrizio Ornago | 7-6,6-1 |
| Challenger Scheveningen Qual | 2018/07/14 08:00 | Elliot Benchetrit v Ryan Nijboer | 6-3,6-4 |
| Challenger Marburg | 2018/07/05 13:10 | Elliot Benchetrit v Julian Lenz | 4-6,5-7 |
| Challenger Marburg | 2018/07/04 11:40 | Gleb Sakharov v Elliot Benchetrit | 3-6,0-6 |
| Challenger Marburg | 2018/07/03 10:00 | Elliot Benchetrit v Ricardo Ojeda Lara | 6-4,6-4 |