Stadium: Court 1 Round: 29 Ground: Clay
| ITF Portugal F17 | 2017/08/24 11:25 | David Perez Sanz v David Guez | 5-7,3-6 |
| ITF Tunisia F13 | 2018/04/06 09:00 | David Guez v Matej Vocel | 6-3,6-1 |
| ITF Tunisia F13 | 2018/04/05 11:50 | David Guez v Alexis Gautier | 6-2,7-5 |
| ITF Tunisia F13 | 2018/04/03 12:15 | David Guez v Ahmed Mouhan | 6-2,6-1 |
| Challenger St Brieuc Qual | 2018/03/25 12:50 | Matteo Martineau v David Guez | 3-6,6-2,3-6 |
| Challenger St Brieuc Qual | 2018/03/24 18:40 | Maxime Tchoutakian v David Guez | 5-7,3-6 |
| Challenger - Lille | 2018/03/23 13:10 | Yannick Maden v David Guez | 6-1,7-6 |
| Challenger - Lille | 2018/03/22 15:10 | David Guez v Matthias Bachinger | 6-2,6-2 |
| Challenger - Lille | 2018/03/21 09:30 | David Guez v Goncalo Oliveira | 6-1,3-6,6-3 |
| ITF Tunisia F13 | 2018/04/07 09:00 | David Perez Sanz v Christoph Negritu | 6-4,6-2 |
| ITF Tunisia F13 | 2018/04/06 09:00 | Michal Konecny v David Perez Sanz | 4-6,4-6 |
| ITF Tunisia F13 | 2018/04/05 09:00 | Michael Vrbensky v David Perez Sanz | 6-7,6-7 |
| ITF Tunisia F13 | 2018/04/03 10:15 | Len Schouten v David Perez Sanz | 1-6,3-6 |
| ITF Tunisia F13 | 2018/04/01 09:00 | David Perez Sanz v Nazim Makhlouf | 6-1,6-1 |
| ITF Croatia F3 | 2018/03/21 12:20 | Deni Zmak v David Perez Sanz | 6-3,6-0 |
| ITF Croatia F2 | 2018/03/16 12:00 | Matej Sabanov v David Perez Sanz | 5-7,6-3,4-6 |
| ITF Croatia F2 | 2018/03/15 09:00 | David Perez Sanz v Bruno Santanna | 6-3,6-3 |