Round: 62 Ground: Clay
| ITF Turkey F15 | 2018/04/14 07:30 | Nik Razborsek v Valentin Vanta | 6-1,6-1 |
| Davis Cup | 2018/04/08 13:20 | Nik Razborsek v Altug Celikbilek | 7-5,6-3 |
| ITF Croatia F3 | 2018/03/22 14:00 | Matteo Viola v Nik Razborsek | 7-6,6-3 |
| ITF Croatia F3 | 2018/03/21 10:30 | Tommaso Gabrieli v Nik Razborsek | 3-6,3-6 |
| ITF Croatia F2 | 2018/03/15 09:00 | Zdenek Kolar v Nik Razborsek | 6-7,4-6 |
| ITF Croatia F2 | 2018/03/14 10:35 | Sebastian Prechtel v Nik Razborsek | 1-6,6-4,4-6 |
| ITF Croatia F2 | 2018/03/12 11:00 | Nik Razborsek v Nicolo Crespi | 6-1,6-0 |
| ITF Croatia F2 | 2018/03/11 08:00 | Nik Razborsek v Matteo Fortini | 6-1,6-2 |
| ITF Turkey F15 | 2018/04/14 07:30 | Tommaso Spelta v Juan Pablo Cenoz | 2-6,0-6 |
| ITF Turkey F14 | 2018/04/08 07:30 | Juan Pablo Cenoz v Alexander Lebedyn | 3-6,1-6 |
| ITF Turkey F14 | 2018/04/07 11:00 | Ruben Busch v Juan Pablo Cenoz | 6-7,1-6 |
| ITF Turkey F12 | 2018/03/24 06:30 | Andrey Chepelev v Juan Pablo Cenoz | 6-3,6-1 |
| ITF Tunisia F11 | 2018/03/17 08:00 | Juan Pablo Cenoz v Ivan Marrero Curbelo | 6-2,4-6,5-7 |
| ITF Tunisia F10 | 2018/03/10 08:30 | Ludovico Scerrati v Juan Pablo Cenoz | 6-4,6-0 |
| ITF Argentina F8 | 2017/11/04 19:00 | Juan Pablo Cenoz v Oscar Gabriel Ortiz | 3-6,4-6 |