Stadium: Court 4 Round: 26 Ground: Clay
| ITF Hungary F2 | 2018/05/14 11:00 | Andre Biro v Borsos, Gabor | 4-6,1-6 |
| ITF Poland F1 | 2018/05/01 07:30 | Facundo Juarez v Borsos, Gabor | 6-3,6-4 |
| ITF Italy F5 Qual | 2018/03/27 14:15 | Borsos, Gabor v Capalbo, Franco | 3-6,4-6 |
| ITF Italy F5 Qual | 2018/03/27 09:30 | Borsos, Gabor v Voinea, Christian | 6-0,6-4 |
| Challenger Lille Qual | 2018/03/18 14:00 | Griekspoor, Scott v Borsos, Gabor | 6-7,6-1,6-4 |
| Challenger Lille Qual | 2018/03/17 17:45 | Borsos, Gabor v Gelhardt, Luca | 6-4,6-0 |
| Qatar F3, Singles | 2018/03/14 12:00 | Jay Clarke v Borsos, Gabor | 4-6,6-4,6-4 |
| Qatar F3, Singles | 2018/03/13 14:25 | Colautti, Thomas v Borsos, Gabor | 6-7,3-6 |
| ITF Hungary F2 | 2018/05/15 12:30 | Szintai, David v Sieber, Marc | 4-6,3-6 |
| ITF Hungary F1 | 2018/05/11 10:45 | Mate Valkusz v Sieber, Marc | 6-2,6-2 |
| ITF Hungary F1 | 2018/05/10 11:05 | Kenneth Raisma v Sieber, Marc | 4-6,6-0,5-7 |
| ITF Hungary F1 | 2018/05/09 09:00 | Raspudic, Franjo v Sieber, Marc | 2-6,2-6 |
| ITF Hungary F1 | 2018/05/08 11:35 | Andre Biro v Sieber, Marc | 3-6,0-6 |
| Turkey F16, Singles Qualifying | 2018/04/27 07:30 | Smirnov, Artem v Sieber, Marc | 6-1,7-5 |
| Turkey F16, Singles Qualifying | 2018/04/26 07:30 | Kiyamov, Timur v Sieber, Marc | 4-6,6-7 |
| Turkey F16, Singles Qualifying | 2018/04/24 09:00 | Boborykin, Alexander v Sieber, Marc | 4-6,1-6 |