Stadium: Court 7 Round: 25 Ground: Clay
| ITF Russia F6 | 2018/08/14 09:45 | Maxim Ratniuk v Markos Kalovelonis | 6-4,7-5 |
| ITF Estonia F1 | 2018/07/21 07:00 | Markos Kalovelonis v Dragos Nicolae Madaras | 2-6,3-6 |
| ITF Estonia F1 | 2018/07/20 09:00 | Markos Kalovelonis v Patrik Niklas-Salminen | 6-4,7-5 |
| ITF Estonia F1 | 2018/07/19 09:00 | Emil Ruusuvuori v Markos Kalovelonis | 6-7,5-7 |
| ITF Estonia F1 | 2018/07/18 08:00 | Kristofer Siimar v Markos Kalovelonis | 1-6,1-6 |
| ITF Estonia F1 | 2018/07/17 10:00 | Siim Troost v Markos Kalovelonis | 5-7,5-7 |
| ITF USA F18 | 2018/06/29 18:05 | Markos Kalovelonis v Alejandro Gomez | 6-3,3-6,4-6 |
| ITF USA F18 | 2018/06/28 14:00 | Markos Kalovelonis v Ryan Goetz | 6-3,6-2 |
| ITF Russia F6 | 2018/08/15 09:40 | Bogdan Bobrov v Anton Zaitcev | 6-1,3-6,2-6 |
| ITF Russia F6 | 2018/08/13 10:00 | Bogdan Bobrov v Alexander Boborykin | 6-3,7-5 |
| ITF Latvia F1 | 2018/08/01 07:00 | Bogdan Bobrov v Matheus Pucinelli De Almeida | 7-5,3-6,6-1 |
| ITF Latvia F1 | 2018/07/31 09:20 | Bogdan Bobrov v Feliksas Sakalauskas | 5-7,6-2,6-3 |
| ITF Georgia F1 | 2018/07/12 08:50 | Bogdan Bobrov v Alexey Zakharov | 6-7,2-6 |
| ITF Georgia F1 | 2018/07/11 08:25 | Bogdan Bobrov v Issam Haitham Taweel | 7-5,6-7,6-1 |
| ITF Austria F1 | 2018/07/07 07:30 | Mario Vilella Martinez v Bogdan Bobrov | 6-2,6-2 |
| ITF Austria F1 | 2018/07/05 08:00 | Bogdan Bobrov v Mick Veldheer | 6-3,7-6 |