Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF Portugal F20 | 2018/10/09 11:05 | Igor Sao Thiago v Justin Butsch | 6-7,3-6 |
| ITF Portugal F20 | 2018/10/08 09:00 | Igor Sao Thiago v Gabriele Moghini | 6-2,6-4 |
| ITF Portugal F20 | 2018/10/07 13:00 | Igor Sao Thiago v Tiago Torres | 6-1,6-2 |
| ITF Portugal F19 | 2018/10/04 12:55 | Igor Sao Thiago v Fred Gil | 1-6,0-6 |
| ITF Portugal F19 | 2018/10/03 09:30 | Igor Sao Thiago v Goncalo Falcao | 6-2,2-6,7-5 |
| ITF Portugal F19 | 2018/10/01 09:00 | Igor Sao Thiago v Manuel Goncalves | 7-5,6-3 |
| ITF Portugal F19 | 2018/09/30 10:30 | Igor Sao Thiago v Joao Ferreira | 6-0,6-2 |
| ITF Portugal F18 | 2018/09/26 11:05 | Fred Gil v Igor Sao Thiago | 6-7,6-1,6-1 |
| ITF Israel F12 | 2018/10/02 11:25 | Ram Kapach v Peter Kobelt | 6-4,6-4 |
| 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 |