Stadium: Court 5 Round: 45
| ITF USA F17 | 2018/07/01 15:30 | Marc-Andrea Huesler v Riffice, Sam | 6-4,6-2 |
| ITF USA F17 | 2018/06/30 15:00 | Riffice, Sam v Reinberg, Emil | 6-0,6-3 |
| ITF USA F17 | 2018/06/29 18:00 | Riffice, Sam v Torpegaard, Mikael | 7-5,6-1 |
| ITF USA F17 | 2018/06/28 15:00 | Craig, Henry v Riffice, Sam | 4-6,6-2,2-6 |
| ITF USA F15 | 2018/06/22 16:00 | Riffice, Sam v Craig, Henry | 5-7,5-7 |
| ITF USA F15 | 2018/06/21 15:45 | Ryan Peniston v Riffice, Sam | 1-6,5-7 |
| ITF USA F15 | 2018/06/20 14:00 | Riffice, Sam v Dunbar, Jacob | 6-3,6-4 |
| ITF USA F15 Qual | 2018/06/18 13:00 | Riffice, Sam v Pratt, Jared | 6-1,6-2 |
| 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 |
| ITF Singapore F2 | 2018/05/23 02:00 | Collin Altamirano v Singh, Karunuday | 6-2,6-3 |
| ITF Singapore F2 | 2018/05/22 02:00 | Collin Altamirano v Hong Kit Wong | 6-0,3-6,6-3 |