Stadium: Court 11 Round: 26 Ground: Clay
| ITF Kazakhstan F4 | 2018/04/17 05:50 | Markos Kalovelonis v Matvey Khomentovskiy | 7-6,7-6 |
| Davis Cup | 2018/04/06 10:15 | Ljubomir Celebic v Markos Kalovelonis | 6-2,6-1 |
| Davis Cup | 2018/04/04 09:10 | Martins Podzus v Markos Kalovelonis | 3-6,4-6 |
| ITF Greece F5 | 2018/03/28 06:00 | Markos Kalovelonis v Ioannis Stergiou | 3-6,2-6 |
| ITF Greece F4 | 2018/03/23 14:00 | Markos Kalovelonis v Baptiste Crepatte | 3-6,2-6 |
| ITF Greece F4 | 2018/03/23 09:40 | Lukas Klein v Markos Kalovelonis | 6-7,3-6 |
| ITF Greece F4 | 2018/03/20 10:20 | Markos Kalovelonis v Fran Zvonimir Zgombic | 6-4,6-4 |
| ITF Greece F3 | 2018/03/15 13:05 | Filippo Baldi v Markos Kalovelonis | 6-3,6-3 |
| ITF Kazakhstan F4 | 2018/04/16 09:45 | Sagadat Ayap v Teymuraz Gabashvili | 3-6,6-2,3-6 |
| ITF Egypt F12 | 2018/04/08 08:00 | Teymuraz Gabashvili v Lucas Miedler | 6-2,6-3 |
| ITF Egypt F12 | 2018/04/07 08:00 | Teymuraz Gabashvili v Peter Kobelt | 6-4,6-4 |
| ITF Egypt F12 | 2018/04/06 08:00 | Teymuraz Gabashvili v Siphosothando Montsi | 6-3,4-6,6-0 |
| ITF Egypt F12 | 2018/04/05 09:35 | Teymuraz Gabashvili v Romain Bauvy | 6-3,3-6,6-4 |
| ITF Egypt F12 | 2018/04/04 08:00 | Teymuraz Gabashvili v Brian Cernoch | 6-2,7-5 |
| ITF Egypt F12 | 2018/04/02 08:30 | Teymuraz Gabashvili v Michel Vernier | 6-2,5-7,6-4 |
| ITF Egypt F12 | 2018/04/01 10:30 | Teymuraz Gabashvili v Joao Giannella | 6-2,6-0 |