Stadium: Center Court Round: 45
| ITF Israel F11 | 2018/06/29 07:00 | Hasson, Jordan v Seifert, Stefan | 6-4,6-3 |
| ITF Israel F11 | 2018/06/28 07:00 | Elbaz, Shahar v Seifert, Stefan | 6-7,6-3,4-6 |
| ITF Israel F11 | 2018/06/27 08:05 | Vodavoz, Nir v Seifert, Stefan | 5-7,0-6 |
| ITF Tunisia F21 | 2018/06/01 09:00 | Petit, Gabriel v Seifert, Stefan | 6-0,6-1 |
| ITF Tunisia F21 | 2018/05/31 10:55 | Constantin Bittoun Kouzmine v Seifert, Stefan | 3-6,3-6 |
| ITF Tunisia F21 | 2018/05/29 11:10 | Seifert, Stefan v Ghorbel, Anis | 3-6,6-4,6-4 |
| ITF Tunisia F20 | 2018/05/26 09:00 | Moez Echargui v Seifert, Stefan | 6-4,6-0 |
| ITF Tunisia F20 | 2018/05/25 11:00 | Rotsaert, Alexandre v Seifert, Stefan | 2-6,1-6 |
| ITF Argentina F3 | 2018/05/30 15:10 | Arguello, Facundo v Vilaro, Alejo | 6-1,6-1 |
| ITF Argentina F3 | 2018/05/29 17:25 | Vilaro, Alejo v Fermin Tenti | 7-6,3-6,6-3 |
| ITF Argentina F2 | 2018/05/23 14:40 | Arguello, Facundo v Vilaro, Alejo | 6-1,6-3 |
| ITF Argentina F2 | 2018/05/22 13:00 | Moreno, Federico v Vilaro, Alejo | 4-6,3-6 |
| ITF Argentina F1 | 2018/05/15 13:15 | Vilaro, Alejo v Hidalgo, Gabriel Alejandro | 3-6,6-3,4-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Vilaro, Alejo v Marcelo Zormann | 4-6,6-7 |
| ITF Brazil F2 | 2018/05/01 19:30 | Zukas, Matias v Vilaro, Alejo | 6-3,7-5 |
| ITF Brazil F2 | 2018/04/30 15:00 | Vilaro, Alejo v Enrique Bogo | 6-2,6-2 |