| ITF Germany F10 | 2018/08/01 12:30 | Tejas Chaukulkar v Marcelo Zormann | 6-1,7-5 |
| ITF Germany F9 | 2018/07/25 11:35 | Marcelo Zormann v Louroi Martinez | 4-6,6-4,1-6 |
| ITF Germany F9 | 2018/07/24 12:20 | Marcelo Zormann v Ondrej Krstev | 6-4,6-1 |
| ITF Germany F8 | 2018/07/18 13:00 | Elmar Ejupovic v Marcelo Zormann | 6-4,6-4 |
| ITF Netherlands F3 | 2018/07/10 13:45 | Marcelo Zormann v Tom Farquharson | 7-6,5-7,5-7 |
| ITF Brazil F4 | 2018/05/15 20:00 | Marcelo Zormann v Thiago Seyboth Wild | 3-6,6-4,3-6 |
| ITF Brazil F3 | 2018/05/13 13:30 | Oscar Jose Gutierrez v Marcelo Zormann | 6-2,6-2 |
| ITF Brazil F3 | 2018/05/12 14:00 | Tomas Martin Etcheverry v Marcelo Zormann | 7-5,6-7,4-6 |