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