| ITF Greece F5 | 2018/03/24 10:00 | Stamatios Kapiris v Andrej Glvac | 3-6,4-6 |
| ITF Greece F4 | 2018/03/20 07:55 | Stamatios Kapiris v Gijs Brouwer | 0-6,4-6 |
| ITF Greece F2 | 2018/03/06 08:00 | Stamatios Kapiris v Filippo Baldi | 0-6,0-6 |
| ITF Greece F1 | 2018/02/26 13:00 | Gage Brymer v Stamatios Kapiris | 6-4,6-2 |
| ITF Greece F1 | 2018/02/25 08:00 | Athanasios Bilis v Stamatios Kapiris | 2-6,0-6 |
| ITF Greece F10 | 2017/11/22 08:45 | Gijs Brouwer v Stamatios Kapiris | 6-3,6-3 |
| ITF Greece F9 | 2017/11/15 11:25 | Jakob Sude v Stamatios Kapiris | 6-1,6-1 |
| ITF Greece F7 | 2017/10/29 08:30 | Stamatios Kapiris v Aleksei Khomich | 2-6,3-6 |
| Challenger Poznan Qual | 2018/06/04 08:00 | Ronald Slobodchikov v Guillermo Olaso | 4-6,6-3,1-6 |
| Challenger Poznan Qual | 2018/06/03 08:00 | Riccardo Bonadio v Ronald Slobodchikov | 3-6,4-6 |
| ITF Egypt F17 | 2018/05/12 07:30 | Orlando Luz v Ronald Slobodchikov | 6-7,6-2,6-1 |
| ITF Egypt F17 | 2018/05/11 09:35 | Neven Krivokuca v Ronald Slobodchikov | 3-6,5-7 |
| ITF Egypt F17 | 2018/05/10 09:05 | Niels Lootsma v Ronald Slobodchikov | 6-2,6-7,2-6 |
| ITF Egypt F17 | 2018/05/09 09:25 | Alberto Cammarata v Ronald Slobodchikov | 2-6,6-7 |
| ITF Egypt F16 | 2018/05/06 09:00 | Ronald Slobodchikov v Jordan Correia | 2-6,4-6 |
| ITF Egypt F16 | 2018/05/05 07:30 | Marco Bortolotti v Ronald Slobodchikov | 5-7,7-5,3-6 |