Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Scheveningen | 2018/07/19 13:40 | Nicola Kuhn v Attila Balazs | 3-6,4-6 |
| Challenger Scheveningen | 2018/07/17 13:15 | Lloyd Harris v Nicola Kuhn | 1-6,7-6,3-6 |
| Challenger Braunschweig | 2018/07/10 13:05 | Yannick Hanfmann v Nicola Kuhn | 6-1,6-3 |
| Challenger Milan | 2018/06/26 09:00 | Nicola Kuhn v Gianluca Mager | 2-6,1-6 |
| ATP Miami | 2018/03/24 20:55 | Nicola Kuhn v Fabio Fognini | 2-6,4-6 |
| ATP Miami | 2018/03/22 15:00 | Nicola Kuhn v Darian King | 7-6,6-4 |
| Challenger Drummondville | 2018/03/13 19:45 | Nicola Kuhn v Jared Hiltzik | 4-6,3-6 |
| Challenger Bergamo | 2018/02/21 15:50 | Nicola Kuhn v Constant Lestienne | 6-7,4-6 |
| 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 Milan | 2018/06/28 10:15 | Thiemo De Bakker v Mario Vilella Martinez | 6-4,2-6,6-2 |