Stadium: Court 3 Round: 62
| ITF USA F28 | 2018/10/13 17:30 | Sorbo, Jonathan v Chang, Jonathan | 0-6,2-6 |
| USA F26, Singles Qualifying | 2018/09/22 16:30 | Chang, Jonathan v Sorbo, Jonathan | 6-2,6-1 |
| ITF USA F25 | 2018/09/17 18:00 | Sorbo, Jonathan v Emilio Nava | 5-7,3-6 |
| ITF USA F25 | 2018/09/16 17:30 | Acosta, Felipe v Sorbo, Jonathan | 4-6,6-2,5-7 |
| ITF USA F25 | 2018/09/14 19:00 | Sorbo, Jonathan v Borges Pereira, Kevin | 6-1,1-6,6-4 |
| Canada F7, Singles | 2018/09/08 13:00 | Sorbo, Jonathan v Vukovic, Luka | 6-4,2-6,2-6 |
| ITF Canada F6 | 2018/09/01 13:00 | Ronald Hohmann v Sorbo, Jonathan | 6-3,6-3 |
| ITF USA F14 | 2018/06/09 16:00 | Kandath, Matthew v Sorbo, Jonathan | 6-4,6-4 |
| ITF USA F28B | 2018/10/20 15:30 | Rosensteel, Christopher v O'Jon, Ian | 6-4,7-6 |
| ITF USA F27 | 2018/10/06 15:00 | Mcmann, Conner v Rosensteel, Christopher | 6-2,6-4 |
| USA F26, Singles Qualifying | 2018/09/21 21:30 | Rosensteel, Christopher v Mohanty, Arsav | 6-4,5-7,6-1 |
| ITF USA F25 | 2018/09/15 20:30 | Moser, Jeremy v Rosensteel, Christopher | 6-3,6-2 |
| ITF USA F24 | 2018/09/07 20:00 | Rosensteel, Christopher v Ye Cong Mo | 3-6,0-6 |
| ITF Canada F6 | 2018/09/01 15:00 | Shropshire, Samuel v Rosensteel, Christopher | 6-4,6-2 |
| ITF USA F16 | 2018/06/16 19:00 | Lucas Renard v Rosensteel, Christopher | 6-4,5-7,6-0 |
| ITF USA F14 | 2018/06/09 14:00 | Rosensteel, Christopher v Lagaev, Nick | 3-6,7-5,4-6 |