Estadio: Duygu Aksit Oal Round: 64
| Challenger de Fergana | 2018/06/19 05:00 | David Guez v Enrique Lopez-Perez | 0-6,6-2,2-6 |
| ATP Stuttgart - Clasificación | 2018/06/09 11:00 | Mikhail Youzhny v David Guez | 6-2,6-3 |
| Challenger de Loughborough | 2018/05/24 09:30 | Lucas Miedler v David Guez | 6-4,6-2 |
| Challenger de Loughborough | 2018/05/22 12:30 | Frederik Nielsen v David Guez | 2-6,4-6 |
| ITF Túnez F18 | 2018/05/13 09:00 | David Guez v Andres Artunedo Martinavarr | 6-1,6-1 |
| ITF Túnez F18 | 2018/05/12 09:00 | David Guez v Moez Echargui | 6-1,7-5 |
| ITF Túnez F18 | 2018/05/11 11:00 | David Guez v Diego Hidalgo | 6-4,6-2 |
| ITF Túnez F18 | 2018/05/10 09:00 | David Guez v Vasko Mladenov | 6-1,6-4 |
| Challenger de Fergana | 2018/06/19 05:00 | Egor Gerasimov v Laurynas Grigelis | 6-2,6-3 |
| Challenger de Almaty - Clasificación | 2018/06/10 04:30 | Laurynas Grigelis v Daniel Masur | 6-3,3-6,5-7 |
| Challenger de Almaty - Clasificación | 2018/06/09 05:50 | Laurynas Grigelis v Ivan Gakhov | 1-6,7-5,6-2 |
| Challenger de Shymkent | 2018/06/06 05:00 | Jurij Rodionov v Laurynas Grigelis | 6-4,3-6,7-6 |
| Challenger de Shymkent | 2018/06/05 06:10 | Laurynas Grigelis v Enrique Lopez-Perez | 6-3,7-5 |
| Challenger de Mestre | 2018/05/25 09:30 | Laurynas Grigelis v Gian Marco Moroni | 2-6,0-6 |
| Challenger de Mestre | 2018/05/24 10:55 | Laurynas Grigelis v Luca Vanni | 6-2,2-6,6-2 |
| Challenger de Mestre | 2018/05/23 08:30 | Tsung-Hua Yang v Laurynas Grigelis | 3-6,0-6 |