Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F11 Qual | 2018/07/02 11:00 | Mark Whitehouse v Afonso Salgado | 7-6,7-5 |
| ITF Portugal F10 | 2018/06/26 15:20 | Mark Whitehouse v Romain Bauvy | 6-7,7-6,1-6 |
| ITF Portugal F10 | 2018/06/25 09:30 | Mark Whitehouse v Afonso Salgado | 6-1,6-2 |
| ITF Portugal F10 | 2018/06/24 09:30 | Mark Whitehouse v Ben Jones | 6-4,6-0 |
| Challenger Nottingham Qual | 2018/06/10 15:45 | Dominik Koepfer v Mark Whitehouse | 7-6,6-1 |
| Challenger Nottingham Qual | 2018/06/09 13:30 | Daniel Bennett v Mark Whitehouse | 0-6,3-6 |
| Challenger Surbiton Qual | 2018/06/03 11:35 | Mark Whitehouse v Max Purcell | 4-6,2-6 |
| Challenger Surbiton Qual | 2018/06/02 13:20 | N. Vijay Sundar Prashanth v Mark Whitehouse | 4-6,4-6 |
| ITF Portugal F11 Qual | 2018/07/02 11:00 | Alejandro S Nieto v Stefan Petrovic | 3-6,6-7 |
| ITF Portugal F11 Qual | 2018/07/01 16:00 | Harry Thursfield v Stefan Petrovic | 6-7,4-6 |
| ITF Portugal F10 | 2018/06/25 12:30 | Stefan Petrovic v Nicolas Rosenzweig | 3-6,2-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 09:30 | Stefan Petrovic v Andrea Picchione | 3-6,1-6 |
| ITF Tunisia F17 | 2018/05/03 11:05 | Stefan Petrovic v Maxime Tchoutakian | 2-6,1-6 |
| ITF Tunisia F17 | 2018/05/02 11:10 | Stefan Petrovic v Mikar Fisher | 6-2,6-4 |
| ITF Tunisia F17 | 2018/04/29 09:00 | Severin Steiner v Stefan Petrovic | 1-6,2-6 |
| ITF Tunisia F16 | 2018/04/22 09:00 | Hugo Schott v Stefan Petrovic | 6-2,6-0 |