Stadium: Court 6 Round: 26 Ground: Clay
| ITF Russia F7 | 2018/08/20 07:00 | Kalovelonis, Markos v Bogdan Bobrov | 7-6,6-2 |
| ITF Russia F6 | 2018/08/14 09:45 | Ratniuk, Maxim v Kalovelonis, Markos | 6-4,7-5 |
| ITF Estonia F1 | 2018/07/21 07:00 | Kalovelonis, Markos v Madaras, Dragos Nicolae | 2-6,3-6 |
| ITF Estonia F1 | 2018/07/20 09:00 | Kalovelonis, Markos v Niklas-Salminen, Patrick | 6-4,7-5 |
| ITF Estonia F1 | 2018/07/19 09:00 | Emil Ruusuvuori v Kalovelonis, Markos | 6-7,5-7 |
| ITF Estonia F1 | 2018/07/18 08:00 | Siimar, Kristofer v Kalovelonis, Markos | 1-6,1-6 |
| ITF Estonia F1 | 2018/07/17 10:00 | Siim Troost v Kalovelonis, Markos | 5-7,5-7 |
| ITF USA F18 | 2018/06/29 18:05 | Kalovelonis, Markos v Gomez, Alejandro | 6-3,3-6,4-6 |
| ITF Russia F7 | 2018/08/20 08:25 | Alexandr Binda v Klimov, Philipp | 6-2,6-0 |
| ITF Tunisia F2 | 2015/01/18 08:30 | Gian Marco Moroni v Alexandr Binda | 6-2,6-1 |