Stadium: Court 1 Round: 62 Ground: Clay
| ITF Germany F11 | 2018/08/05 08:00 | Marvin Rehberg v Constantinos Papavasiliou | 6-1,6-2 |
| ITF Germany F10 Qual | 2018/07/29 10:30 | Constantinos Papavasiliou v Feda Bilic | 0-6,2-6 |
| ITF Germany F9 | 2017/07/30 13:30 | Constantinos Papavasiliou v Benjamin Loccisano | 0-6,2-6 |
| ITF Romania F2 Qual | 2017/05/20 09:00 | Constantinos Papavasiliou v Luca George Tatomir | 2-6,5-7 |
| ITF Greece F4 | 2017/03/25 09:30 | Liam Caruana v Constantinos Papavasiliou | 6-1,6-0 |
| ITF Turkey F51 Qual | 2016/12/19 07:30 | Constantinos Papavasiliou v Nicolas Barz | 0-6,1-6 |
| ITF Cyprus F3 Qual | 2016/11/27 08:30 | Denis Kapric v Constantinos Papavasiliou | 6-1,6-1 |
| ITF Cyprus F2 Qual | 2016/11/20 07:30 | Dean Georgiou v Constantinos Papavasiliou | 6-2,7-5 |
| ITF Ukraine F4 | 2018/08/25 07:00 | Oleksandr Varichenko v Yuriy Kryvoy | 6-2,1-6,7-5 |
| ITF Ukraine F3 | 2018/05/22 12:35 | Jordan Correia v Oleksandr Varichenko | 6-2,6-4 |
| ITF Ukraine F3 | 2018/05/20 07:00 | Oleksandr Varichenko v Nazar Achour | 6-4,6-3 |
| ITF Ukraine F3 | 2018/05/19 09:30 | Dmytro Slyepkan v Oleksandr Varichenko | 1-6,0-6 |
| ITF Ukraine F2 | 2018/05/14 07:00 | Yan Bondarevskiy v Oleksandr Varichenko | 6-2,6-2 |
| ITF Ukraine F2 | 2018/05/13 07:00 | Aleksandr Braynin v Oleksandr Varichenko | 4-6,4-6 |
| ITF Ukraine F2 | 2018/05/12 06:30 | Mauricio A-Guzman v Oleksandr Varichenko | 6-7,1-6 |
| ITF Ukraine F1 | 2018/05/08 07:00 | Oleksandr Varichenko v Mykola Leshchynskyy | 4-6,2-6 |