Stadium: Court 4 Round: 27 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 Indonesia F2 | 2018/08/01 04:45 | Isaac Stoute v Michail Pervolarakis | 7-6,6-7,2-6 |
| ITF Indonesia F2 Qual | 2018/07/31 02:00 | Nitin Kumar Sinha v Michail Pervolarakis | 3-6,1-6 |
| ITF Indonesia F2 Qual | 2018/07/30 04:30 | Yu Shiang Huang v Michail Pervolarakis | 0-6,1-6 |
| ITF Indonesia F2 Qual | 2018/07/29 04:30 | Jake Delaney v Michail Pervolarakis | 4-6,2-6 |
| ITF Indonesia F1 | 2018/07/24 06:15 | Cheong-Eui Kim v Michail Pervolarakis | 6-3,7-6 |
| ITF Malaysia F3 | 2018/07/21 02:30 | Maciej Smola v Michail Pervolarakis | 6-3,3-6,6-3 |
| ITF Malaysia F3 | 2018/07/20 03:00 | Gabriel Petit v Michail Pervolarakis | 3-6,0-6 |
| ITF Malaysia F3 | 2018/07/19 05:40 | Michail Pervolarakis v Michael Look | 6-3,6-1 |