Stadium: Court 14 Round: 62 Ground: Hardcourt outdoor
| ITF Ukraine F4 | 2018/08/26 07:00 | Constantinos Papavasiliou v Oleksandr Varichenko | 0-6,3-6 |
| 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 Greece F6 | 2018/10/28 07:30 | Nico Matic v Kenta Kurita | 6-0,6-2 |
| ITF Greece F6 | 2018/10/27 06:00 | Kenta Kurita v Mateo Bubalo | 6-2,6-0 |
| ITF Romania F13 | 2018/09/10 07:00 | Samuele Ramazzotti v Kenta Kurita | 6-2,6-3 |
| ITF Romania F12 | 2018/09/03 09:10 | Alexandru Vasile Manole v Kenta Kurita | 6-4,6-3 |
| ITF Romania F12 | 2018/09/02 07:00 | Kenta Kurita v Neil Oberleitner | 7-5,7-5 |
| ITF Romania F12 | 2018/09/01 10:00 | Cosmin Ontica v Kenta Kurita | 4-6,4-6 |
| ITF Romania F11 | 2018/08/27 07:00 | Vlad Andrei Dancu v Kenta Kurita | 7-6,6-7,7-5 |
| ITF Romania F11 | 2018/08/26 06:00 | Claudiu Mircea v Kenta Kurita | 1-6,4-6 |