Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF USA F33 | 2018/11/20 15:00 | Ronnie Schneider v Jonathan Chang | 4-6,6-4,2-6 |
| Challenger Houston | 2018/11/10 15:00 | Alejandro Gonzalez v Jonathan Chang | 6-2,6-3 |
| ITF USA F28B | 2018/10/26 17:40 | Roy Smith v Jonathan Chang | 6-2,6-2 |
| ITF USA F28B | 2018/10/25 21:15 | Jonathan Chang v Jack Findel-Hawkins | 4-6,6-4,7-6 |
| ITF USA F28B | 2018/10/25 16:00 | Michael Redlicki v Jonathan Chang | 4-6,1-6 |
| ITF USA F28B | 2018/10/23 18:40 | Lucas Poullain v Jonathan Chang | 3-6,3-6 |
| ITF USA F28B | 2018/10/22 17:45 | Jonathan Chang v Alastair Gray | 6-2,0-6,7-6 |
| ITF USA F28B | 2018/10/21 15:00 | Jonathan Chang v Spencer Papa | 3-6,6-3,6-1 |
| ITF USA F33 | 2018/11/20 16:55 | Cannon Kingsley v Boris Butulija | 6-1,3-6,6-3 |
| ITF USA F30 | 2018/11/08 21:10 | Cannon Kingsley v Strong Kirchheimer | 2-6,6-1,3-6 |
| ITF USA F30 | 2018/11/07 16:40 | Cannon Kingsley v Tyler Zink | 1-6,6-4,6-3 |
| ITF USA F30 | 2018/11/05 16:00 | Cannon Kingsley v Ivan Yatsuk | 7-5,4-6,6-3 |
| ITF USA F30 | 2018/11/03 19:00 | Cannon Kingsley v Credit Chaiyarin | 6-1,6-1 |
| ITF USA F29 | 2018/10/30 15:00 | Cannon Kingsley v Juan P G Mazzuchi | 2-6,2-6 |
| ITF USA F27 | 2018/10/07 15:00 | Cannon Kingsley v Julian Bradley | 4-6,6-4,3-6 |
| ITF USA F27 | 2018/10/06 15:00 | Cannon Kingsley v Jack Pulliam | 6-1,6-4 |