Stadium: Center Round: 26 Ground: Hardcourt indoor
| Challenger St Brieuc Qual | 2017/03/26 12:30 | Guez, David v Bachinger, Matthias | 6-3,6-4 |
| Segovia, Spain | 2015/08/04 09:40 | Guez, David v Bachinger, Matthias | 6-4,6-3 |
| Challenger - Lille | 2018/03/21 09:30 | Guez, David v Goncalo Oliveira | 6-1,3-6,6-3 |
| Challenger Lille Qual | 2018/03/19 09:30 | Guez, David v Doumbia, Sadio | 6-3,6-3 |
| Challenger Lille Qual | 2018/03/18 10:00 | Guez, David v Cacic, Nikola | 6-1,6-7,6-3 |
| Challenger Lille Qual | 2018/03/17 10:45 | Guez, David v Gueydan, Quentin | 6-1,6-4 |
| France F4, Singles | 2018/03/10 15:50 | Botic Van De Zandschulp v Guez, David | 2-6,7-6,6-3 |
| France F4, Singles | 2018/03/09 14:25 | Rochette, Laurent v Guez, David | 3-6,3-6 |
| France F4, Singles | 2018/03/08 11:00 | Enzo Couacaud v Guez, David | 4-6,2-6 |
| France F4, Singles | 2018/03/07 11:00 | Petit, Gabriel v Guez, David | 5-7,1-6 |
| ATP Dubai Qual | 2018/02/24 07:00 | Quentin Halys v Bachinger, Matthias | 6-4,6-1 |
| ATP Marseille Qual | 2018/02/18 11:40 | Stakhovsky, Sergiy v Bachinger, Matthias | 1-6,6-1,7-5 |
| Rotterdam, Netherlands, Qualifying | 2018/02/10 12:50 | Bachinger, Matthias v Ricardas Berankis | 5-7,2-6 |
| Challenger Dallas | 2018/02/01 01:00 | Kei Nishikori v Bachinger, Matthias | 4-6,6-4,6-4 |
| Challenger Dallas | 2018/01/30 20:15 | Bachinger, Matthias v Evgeny Karlovskiy | 2-6,6-3,6-4 |
| Newport Beach, USA | 2018/01/26 19:35 | Opelka, Reilly v Bachinger, Matthias | 7-5,6-4 |
| Newport Beach, USA | 2018/01/25 19:50 | Filip Peliwo v Bachinger, Matthias | 3-6,6-7 |
| Newport Beach, USA | 2018/01/23 19:40 | Bachinger, Matthias v Ernesto Escobedo | 6-3,7-6 |