Stadium: Court 7 Round: 54
| Challenger Winnetka Qual | 2018/07/08 16:40 | Alafia Ayeni v Reinberg, Emil | 6-3,4-6,5-7 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Kirkov, Vasil v Reinberg, Emil | 5-7,2-6 |
| ITF USA F17 | 2018/06/30 15:00 | Riffice, Sam v Reinberg, Emil | 6-0,6-3 |
| ITF USA F17 | 2018/06/29 17:20 | Reinberg, Emil v Bryde, Trent | 7-5,6-2 |
| ITF USA F17 | 2018/06/28 15:00 | Reinberg, Emil v Felix Corwin | 6-4,6-3 |
| ITF USA F17 | 2018/06/26 20:15 | Barry, Sam v Reinberg, Emil | 5-7,4-6 |
| ITF USA F15 | 2018/06/21 17:45 | Reinberg, Emil v Skander Mansouri | 1-6,6-7 |
| ITF USA F15 | 2018/06/20 15:45 | Stalder, Reese v Reinberg, Emil | 4-6,2-6 |
| Challenger Winnetka Qual | 2018/07/08 16:35 | Smith, Logan v Collin Altamirano | 2-6,3-6 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Riffice, Sam v Collin Altamirano | 6-7,6-3,4-6 |
| ITF USA F19 | 2018/07/05 17:30 | Collin Altamirano v Stalder, Reese | 3-6,1-6 |
| ITF USA F19 | 2018/07/04 14:00 | Collin Altamirano v Beren, Samuel | 6-2,6-3 |
| ITF USA F17 | 2018/06/26 19:00 | Collin Altamirano v Wolf, Jeffrey John | 4-6,5-7 |
| ITF Singapore F2 | 2018/05/26 03:00 | Niki, Takuto v Collin Altamirano | 6-7,3-6 |
| ITF Singapore F2 | 2018/05/25 03:00 | Kazuki Nishiwaki v Collin Altamirano | 7-5,2-6,3-6 |
| ITF Singapore F2 | 2018/05/24 03:00 | Collin Altamirano v Shintaro Imai | 6-2,6-2 |