Stadium: Court 4 Round: 25 Ground: Clay
| ITF Croatia F3 | 2018/03/22 11:30 | Kai Lemstra v Zmak, Deni | 6-4,1-6,4-6 |
| ITF Croatia F3 | 2018/03/21 15:05 | Kai Lemstra v Xin Hu | 6-2,6-1 |
| ITF Croatia F3 | 2018/03/20 09:00 | Kai Lemstra v Marcell Bartakovics | 6-0,3-6,6-1 |
| ITF Croatia F3 | 2018/03/19 12:30 | Kai Lemstra v Pompei, Edoardo | 6-1,2-6,7-6 |
| ITF Croatia F3 | 2018/03/19 09:00 | Kai Lemstra v Endrizzi, Michelangelo | 6-3,6-4 |
| ITF Croatia F2 | 2018/03/14 09:00 | Kai Lemstra v Santanna, B. | 3-6,3-6 |
| ITF Croatia F2 | 2018/03/13 08:00 | Kai Lemstra v Valentin Royer | 1-6,6-4,6-3 |
| ITF Croatia F2 | 2018/03/11 08:00 | Kai Lemstra v de Rosa, Marco | 6-2,6-3 |
| ITF Portugal F2 Qual | 2018/02/25 13:00 | van Den Berg, Bart v Juarez Caro, Jose | 6-3,0-6,6-2 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | van Den Berg, Bart v Gleeson, Alan | 3-6,4-6 |
| ITF Portugal F2 Qual | 2018/02/24 10:00 | van Den Berg, Bart v Teixeira, Duarte Nuno | 6-1,6-0 |
| ITF Portugal F1 | 2018/02/18 13:00 | van Den Berg, Bart v Ivanov, Simon Anthony | 6-4,1-6,1-6 |
| ITF Germany F3 Qual | 2018/01/29 11:00 | van Den Berg, Bart v Tom Schonenberg | 6-4,3-6,3-6 |
| ITF Germany F3 Qual | 2018/01/28 08:30 | van Den Berg, Bart v Hendrik Jebens | 6-3,7-6 |
| ITF Germany F2 Qual | 2018/01/22 09:00 | Robert Strombachs v van Den Berg, Bart | 6-2,6-2 |
| ITF Belgium F12 | 2017/09/07 10:30 | Merckx, Jonas v van Den Berg, Bart | 6-0,6-4 |