Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Greece F2 | 2018/03/08 10:35 | Maxime Authom v Jonathan Gray | 6-2,7-6 |
| ITF Greece F2 | 2018/03/07 10:00 | Tim Van Terheijden v Jonathan Gray | 6-7,0-6 |
| ITF Greece F1 | 2018/03/01 08:00 | Giovanni Fonio v Jonathan Gray | 6-4,1-6,6-3 |
| ITF Greece F1 | 2018/02/27 08:30 | Alan Kohen v Jonathan Gray | 6-4,2-6,3-6 |
| ITF Great Britain F3 | 2018/02/13 15:15 | Lloyd Glasspool v Jonathan Gray | 7-6,6-1 |
| ITF Great Britain F2 | 2018/02/07 12:30 | Jonathan Gray v David Pichler | 4-6,6-1,6-7 |
| ITF Turkey F2 | 2018/01/16 07:30 | Gianluca Mager v Jonathan Gray | 6-4,6-2 |
| ITF Turkey F1 | 2018/01/13 12:00 | Marc Sieber v Jonathan Gray | 6-2,6-4 |
| ITF Greece F3 | 2018/03/12 08:00 | Enrico Dalla Valle v Leevi Saatela | 6-1,6-2 |
| ITF Greece F3 | 2018/03/11 08:00 | Enrico Dalla Valle v Daniel Echeverry | 6-2,6-1 |
| ITF Greece F3 | 2018/03/10 07:30 | Enrico Dalla Valle v Nicolas Acevedo | 7-6,6-2 |
| ITF Greece F2 | 2018/03/07 08:00 | Luke Johnson v Enrico Dalla Valle | 2-6,6-3,6-4 |
| ITF Greece F2 | 2018/03/05 07:30 | Enrico Dalla Valle v Maksim Tikhomirov | 6-2,4-6,6-2 |
| ITF Greece F2 | 2018/03/04 09:30 | Enrico Dalla Valle v Gage Brymer | 6-3,6-7,6-2 |
| ITF Greece F2 | 2018/03/03 07:30 | Enrico Dalla Valle v Harrison Lombe | 6-0,6-4 |
| ITF Egypt F6 | 2018/02/22 10:20 | Karim-Mohamed Maamoun v Enrico Dalla Valle | 6-3,6-3 |