Stadium: Mercedes Court Round: 64
| Challenger - Surbiton | 2018/06/04 13:30 | Youzhny, Mikhail v King, Kevin | 6-7,5-7 |
| Open de France | 2018/05/28 13:05 | Jaziri, Malek v Youzhny, Mikhail | 2-6,6-2,6-2,3-6,6-2 |
| ATP Rome Qual | 2018/05/13 13:10 | Jaziri, Malek v Youzhny, Mikhail | 6-4,3-6,6-3 |
| ATP Rome Qual | 2018/05/12 15:35 | Youzhny, Mikhail v Taylor Fritz | 6-4,3-6,6-4 |
| ATP Madrid Qual | 2018/05/06 09:00 | Delbonis, Federico v Youzhny, Mikhail | 6-3,6-1 |
| ATP Madrid Qual | 2018/05/05 10:30 | Matteo Berrettini v Youzhny, Mikhail | 6-4,3-6,2-6 |
| ATP Istanbul | 2018/05/01 11:40 | Fabbiano, Thomas v Youzhny, Mikhail | 6-1,6-1 |
| Budapest, Hongrie | 2018/04/26 09:00 | Seppi, Andreas v Youzhny, Mikhail | 6-1,6-2 |
| Challenger Loughborough | 2018/05/24 09:30 | Lucas Miedler v Guez, David | 6-4,6-2 |
| Challenger Loughborough | 2018/05/22 12:30 | Nielsen, Frederik v Guez, David | 2-6,4-6 |
| Tunisia F18, Singles Qualifying | 2018/05/13 09:00 | Guez, David v Artunedo Martinav. | 6-1,6-1 |
| Tunisia F18, Singles Qualifying | 2018/05/12 09:00 | Guez, David v Moez Echargui | 6-1,7-5 |
| Tunisia F18, Singles Qualifying | 2018/05/11 11:00 | Guez, David v Hidalgo, Diego | 6-4,6-2 |
| Tunisia F18, Singles Qualifying | 2018/05/10 09:00 | Guez, David v Mladenov, Vasko | 6-1,6-4 |
| Tunisia F18, Singles Qualifying | 2018/05/09 11:05 | Guez, David v Lawrence Bataljin | 6-3,6-2 |
| Challenger - Glasgow | 2018/05/05 10:00 | Lacko, Lukas v Guez, David | 6-3,6-4 |