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