Stadium: Court 6 Round: 28 Ground: Clay
| ITF Netherlands F4 | 2018/08/17 09:00 | Mariano Kestelboim v Titouan Droguet | 6-4,2-6,6-1 |
| ITF Netherlands F4 | 2018/08/16 08:00 | Mariano Kestelboim v Watson, Andrew | 6-3,6-2 |
| ITF Netherlands F4 | 2018/08/14 07:30 | Mariano Kestelboim v Stevens, Bart | 6-4,4-6,6-0 |
| ITF Austria F6 | 2018/08/10 09:00 | Petrone, Alessandro v Mariano Kestelboim | 3-6,7-6,7-6 |
| ITF Austria F6 | 2018/08/09 10:25 | Mariano Kestelboim v Veldheer, Mick | 7-5,6-1 |
| ITF Austria F6 | 2018/08/08 10:55 | Mariano Kestelboim v Weindl, Michael | 6-1,6-1 |
| ITF Austria F6 | 2018/08/06 12:15 | Mariano Kestelboim v Patzanovsky, Christopher | 6-2,6-4 |
| Challenger - Prague | 2018/07/21 11:45 | Stanek, Robin v Mariano Kestelboim | 7-5,6-0 |
| ITF Netherlands F4 | 2018/08/17 09:00 | Mantilla, Felipe v Lazov, Alexander | 1-6,6-4,2-6 |
| ITF Netherlands F4 | 2018/08/16 08:00 | von Hindte, Leonard v Lazov, Alexander | 4-6,4-6 |
| ITF Netherlands F4 | 2018/08/14 10:00 | von Massow, George v Lazov, Alexander | 4-6,3-6 |
| ITF Austria F3 | 2018/07/19 09:30 | Konecny, Michal v Lazov, Alexander | 3-6,4-6 |
| ITF Austria F3 | 2018/07/18 10:30 | Borza, Bogdan v Lazov, Alexander | 1-6,2-6 |
| ITF Austria F3 | 2018/07/17 12:00 | Schroll, Philipp v Lazov, Alexander | 6-7,6-7 |
| ITF Italy F12 | 2018/05/30 15:30 | Rondoni, Pietro v Lazov, Alexander | 6-2,7-5 |
| ITF Italy F12 | 2018/05/29 10:30 | Giovanni Fonio v Lazov, Alexander | 5-7,5-7 |