Stadium: Court 13 Round: 62 Ground: Hardcourt outdoor
| ITF Greece F5 | 2018/03/25 07:00 | Valentin Guenther v Yannick Stephan Born | 6-4,6-2 |
| ITF Greece F5 | 2018/03/24 07:30 | Valentin Guenther v Georgii Kravchenko | 1-6,6-3,6-3 |
| ITF Turkey F7 | 2018/02/18 09:00 | Bogdan Bobrov v Valentin Guenther | 6-7,6-3,6-4 |
| ITF Turkey F7 | 2018/02/17 06:30 | Valentin Guenther v Luca George Tatomir | 6-3,6-1 |
| ITF Switzerland F1 | 2018/02/08 18:40 | Alejandro Davidovich Fokina v Valentin Guenther | 5-7,5-7 |
| ITF Switzerland F1 | 2018/02/06 12:00 | Valentin Guenther v Juan Pablo Ficovich | 7-6,6-2 |
| ITF Switzerland F1 Qual | 2018/02/05 09:00 | Michael Vrbensky v Valentin Guenther | 4-6,5-7 |
| ITF Switzerland F1 Qual | 2018/02/04 09:00 | Alexander Wolfschmidt v Valentin Guenther | 2-6,3-6 |
| ITF Greece F5 | 2018/03/25 08:00 | Gage Brymer v Andrej Glvac | 6-3,6-2 |
| ITF Greece F4 | 2018/03/21 08:00 | Lukáš Klein v Gage Brymer | 7-5,6-4 |
| ITF Greece F3 | 2018/03/11 08:00 | Gage Brymer v Diego Matos | 6-7,5-7 |
| ITF Greece F3 | 2018/03/10 07:30 | Luke Johnson v Gage Brymer | 2-6,4-6 |
| ITF Greece F2 | 2018/03/04 09:30 | Enrico Dalla Valle v Gage Brymer | 6-3,6-7,6-2 |
| ITF Greece F2 | 2018/03/03 07:30 | Loick Bruandet v Gage Brymer | 2-6,2-6 |
| ITF Greece F1 | 2018/02/27 09:30 | Giovanni Fonio v Gage Brymer | 6-4,6-0 |
| ITF Greece F1 | 2018/02/26 13:00 | Gage Brymer v Stamatios Kapiris | 6-4,6-2 |