Stadium: Hard 1 Round: 25 Ground: Hardcourt outdoor
| ITF Greece F1 | 2017/03/08 12:40 | Kalovelonis, Markos v Kapiris, Stamatis | 6-1,6-1 |
| ITF Lebanon F2 | 2018/10/02 14:55 | Kapiris, Stamatis v Slobodchikov, Ronald | 3-6,2-6 |
| ITF Lebanon F2 | 2018/09/30 08:00 | Cooper, Joe v Kapiris, Stamatis | 1-6,1-6 |
| ITF Lebanon F2 | 2018/09/29 10:35 | Shcherba, Vitalii v Kapiris, Stamatis | 6-1,4-6,6-7 |
| ITF Lebanon F1 | 2018/09/22 13:00 | Suntic, Sabit v Kapiris, Stamatis | 6-2,6-2 |
| ITF Serbia F4 | 2018/08/27 10:10 | Aleksa Ciric v Kapiris, Stamatis | 6-2,6-3 |
| ITF Serbia F4 | 2018/08/26 07:00 | Kapiris, Stamatis v Wakita, Shunsuke | 2-6,6-4,6-4 |
| ITF Serbia F4 | 2018/08/25 07:00 | Cuc, Danut v Kapiris, Stamatis | 4-6,2-6 |
| ITF Serbia F3 | 2018/08/19 10:30 | Quentin Folliot v Kapiris, Stamatis | 6-0,6-2 |
| ITF Lebanon F2 | 2018/10/02 13:00 | Hady Habib v Kalovelonis, Markos | 6-1,6-7,6-3 |
| ITF Lebanon F1 | 2018/09/27 13:00 | Reboul, Fabien v Kalovelonis, Markos | 6-2,6-7,6-1 |
| ITF Lebanon F1 | 2018/09/25 13:00 | Kalovelonis, Markos v Luca Tomasetto | 6-3,6-2 |
| Egypt F18, Singles Qualifying | 2018/09/13 07:30 | Krivokuca, Neven v Kalovelonis, Markos | 6-4,6-0 |
| ITF Russia F7 | 2018/08/23 07:00 | Kalovelonis, Markos v Kravchuk, Konstantin | 2-6,2-6 |
| ITF Russia F7 | 2018/08/22 10:35 | Kalovelonis, Markos v Alexandr Binda | 6-4,6-4 |
| 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 |