Stadium: Court 7 Round: 25 Ground: Clay
| ITF Greece F10 | 2015/11/05 07:30 | Markos Kalovelonis v Matvey Khomentovskiy | 7-6,6-7,1-6 |
| 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 Greece F3 | 2018/03/14 08:00 | Markos Kalovelonis v Alex Brenner | 6-2,6-2 |
| ITF Kazakhstan F4 Qual | 2018/04/16 10:30 | Matvey Khomentovskiy v Rafik Terzyan | 6-4,6-1 |
| ITF Kazakhstan F4 Qual | 2018/04/15 07:55 | Matvey Khomentovskiy v Loick Bruandet | 6-2,6-2 |
| ITF Kazakhstan F3 | 2018/04/11 04:00 | Evgeny Tyurnev v Matvey Khomentovskiy | 6-2,6-7,6-4 |
| ITF Kazakhstan F3 | 2018/04/10 08:30 | Matvey Khomentovskiy v Pavel Tsoy | 6-0,6-3 |
| ITF Kazakhstan F3 Qual | 2018/04/09 05:00 | Matvey Khomentovskiy v Imanol L Morillo | 6-3,6-4 |
| ITF Kazakhstan F3 Qual | 2018/04/08 13:00 | Matvey Khomentovskiy v Fariduni Hamid | 6-1,6-1 |
| ITF Russia F3 | 2018/03/12 07:00 | Matvey Khomentovskiy v Alexey Zakharov | 4-6,3-6 |
| ITF Russia F2 | 2018/03/03 11:30 | Matvey Khomentovskiy v Grigoriy Lomakin | 5-7,6-1,2-6 |