Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| Challenger Winnetka Qual | 2018/07/08 15:00 | Peter Kobelt v Guy Orly Iradukunda | 3-6,4-6 |
| Challenger Winnetka Qual | 2018/07/07 16:30 | Peter Kobelt v Felix Corwin | 6-3,6-2 |
| ITF Israel F8 | 2018/06/09 09:05 | Yannick Jankovits v Peter Kobelt | 6-3,6-2 |
| ITF Israel F8 | 2018/06/08 07:30 | Peter Kobelt v Edan Leshem | 6-3,6-4 |
| ITF Israel F8 | 2018/06/07 09:25 | Peter Kobelt v Ben Patael | 6-4,6-4 |
| ITF Israel F8 | 2018/06/06 07:00 | Peter Kobelt v Luke Johnson | 6-1,6-4 |
| ITF Israel F8 | 2018/06/04 09:55 | Peter Kobelt v Ofek Amoyal | 6-1,6-3 |
| Challenger Loughborough Qual | 2018/05/19 15:10 | Emil Ruusuvuori v Peter Kobelt | 6-1,6-7,7-6 |
| ITF Kazakhstan F7 | 2018/09/19 04:00 | Mikhail Fufygin v Bart Van Den Berg | 6-2,6-4 |
| ITF Kazakhstan F7 | 2018/09/18 03:30 | Bart Van Den Berg v Beibit Zhukayev | 6-1,6-0 |
| ITF Kazakhstan F6 | 2018/09/12 09:15 | Bart Van Den Berg v Denis Klok | 1-6,1-6 |
| ITF Kazakhstan F6 | 2018/09/10 05:00 | Bart Van Den Berg v Sultan Narbekov | 6-0,6-4 |
| ITF Netherlands F6 | 2018/08/28 10:10 | Tom Kocevar-Desman v Bart Van Den Berg | 7-6,6-3 |
| ITF Netherlands F5 | 2018/08/21 16:00 | Botic Van De Zandschulp v Bart Van Den Berg | 6-1,6-0 |
| ITF Netherlands F4 | 2018/08/12 12:00 | Bart Van Den Berg v Max Houkes | 7-5,1-6,4-6 |
| ITF Belgium F4 | 2018/07/17 08:00 | Bart Van Den Berg v Samuel Brosset | 7-5,2-6,3-6 |