Stadium: Court 3 Round: 62 Ground: Clay
| ITF Germany F9 | 2018/07/22 08:00 | Muzzi, Felipe v Pfaff, Moritz | 2-6,5-7 |
| ITF Germany F8 Qual | 2018/07/15 10:30 | Muzzi, Felipe v Daljev, Pavle | 1-6,4-6 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Muzzi, Felipe v Rafael Tosetto | 1-6,4-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Costa, Fabio v Muzzi, Felipe | 6-4,7-6 |
| ITF Brazil F3 | 2018/05/05 12:30 | Franco Roncadelli v Muzzi, Felipe | 6-3,5-7,3-6 |
| ITF Brazil F2 | 2018/04/28 15:00 | Muzzi, Felipe v Francisco Comesana | 4-6,1-6 |
| ITF Brazil F1 | 2018/04/21 16:00 | de Oliveira Cruz, Gustavo v Muzzi, Felipe | 6-0,6-1 |
| ITF Portugal F5 Qual | 2018/03/18 12:30 | Alves, Simao v Muzzi, Felipe | 6-4,6-3 |
| ITF Germany F9 | 2018/07/25 16:00 | Boehler, Dominik v Schmitz, Constantin | 6-1,6-3 |
| ITF Germany F9 | 2018/07/24 17:30 | Botezan, George v Schmitz, Constantin | 2-6,7-5,3-6 |
| ITF Germany F9 | 2018/07/23 10:00 | Seraphim, Christian v Schmitz, Constantin | 3-6,4-6 |
| ITF Germany F9 | 2018/07/22 08:00 | Schmitz, Constantin v Chaukulkar, Tejas | 6-3,6-1 |
| ITF USA F37 | 2017/11/14 16:00 | Schmitz, Constantin v Nuno Borges | 1-6,7-6,2-6 |
| ITF USA F36 | 2016/11/13 16:00 | Schmitz, Constantin v Mina, Gianni | 6-4,1-6,0-6 |
| ITF USA F36 | 2016/11/12 19:00 | Schmitz, Constantin v Rubin Statham | 6-3,2-6,7-6 |
| ITF USA F36 | 2016/11/11 16:00 | Maxime Chazal v Schmitz, Constantin | 6-3,2-6,4-6 |