Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ATP Stuttgart Qual | 2018/06/09 11:00 | Mikhail Youzhny v David Guez | 6-2,6-3 |
| Challenger Loughborough | 2018/05/24 09:30 | Lucas Miedler v David Guez | 6-4,6-2 |
| Challenger Loughborough | 2018/05/22 12:30 | Frederik Nielsen v David Guez | 2-6,4-6 |
| ITF Tunisia F18 | 2018/05/13 09:00 | David Guez v Andres Artunedo Martinavarr | 6-1,6-1 |
| ITF Tunisia F18 | 2018/05/12 09:00 | David Guez v Moez Echargui | 6-1,7-5 |
| ITF Tunisia F18 | 2018/05/11 11:00 | David Guez v Diego Hidalgo | 6-4,6-2 |
| ITF Tunisia F18 | 2018/05/10 09:00 | David Guez v Vasko Mladenov | 6-1,6-4 |
| ITF Tunisia F18 | 2018/05/09 11:05 | David Guez v Lawrence Bataljin | 6-3,6-2 |
| Challenger Almaty | 2018/06/15 05:00 | Pedja Krstin v Enrique Lopez-Perez | 6-1,6-3 |
| Challenger Almaty | 2018/06/14 06:35 | Tsung-Hua Yang v Enrique Lopez-Perez | 5-7,3-6 |
| Challenger Almaty | 2018/06/13 08:25 | Enrique Lopez-Perez v Uladzimir Ignatik | 6-3,6-0 |
| Challenger Almaty | 2018/06/11 06:25 | Yasutaka Uchiyama v Enrique Lopez-Perez | 7-5,3-6,2-6 |
| Challenger Shymkent | 2018/06/05 06:10 | Laurynas Grigelis v Enrique Lopez-Perez | 6-3,7-5 |
| Challenger Vicenza | 2018/05/29 14:40 | Hugo Dellien v Enrique Lopez-Perez | 6-0,5-7,6-0 |
| French Open Qual | 2018/05/22 10:25 | Enrique Lopez-Perez v Stefano Travaglia | 4-6,3-6 |
| Challenger Heilbronn | 2018/05/15 10:00 | Enrique Lopez-Perez v Rudolf Molleker | 4-6,3-6 |