| ITF USA F24 | 07/22 17:00 | 27 | Williams, Rhyne v Chang, Jonathan | 6-4,6-2 | |
| ITF USA F24 | 07/21 16:35 | 26 | Chang, Jonathan v 코에펠, 도미니크 | 6-7,6-2,7-5 | |
| ITF USA F24 | 07/20 17:55 | 25 | 에우뱅크스, 크리스토펠 v Chang, Jonathan | 2-6,3-6 | |
| ITF USA F24 Qual | 07/18 15:00 | 62 | Chang, Jonathan v 왓슨, 안드루 | 6-2,7-6 | |
| ITF USA F24 Qual | 07/17 14:00 | 62 | Chang, Jonathan v Battistone, Brian | 7-5,7-5 | |
| ITF USA F24 Qual | 07/16 15:00 | 62 | 키르치헤머, 스트롱 v Chang, Jonathan | 4-6,6-1,5-7 | |
| ITF USA F23 Qual | 06/27 13:30 | 62 | 카데, 알준 v Chang, Jonathan | 6-4,2-6,6-4 | |
| ITF USA F23 Qual | 06/26 13:30 | 62 | 가드넬, 케빈 v Chang, Jonathan | 0-6,1-6 | |
| ITF USA F21 Qual | 06/20 14:00 | 62 | 코에펠, 도미니크 v Chang, Jonathan | 7-5,6-2 | |
| ITF USA F15 Qual | 04/24 17:30 | 60 | Chang, Jonathan v van Orderlain, Drew | 6-3,6-4 | |
| ITF USA F15 Qual | 04/22 20:30 | 60 | Chang, Jonathan v Dernowski, Dietrich | 6-2,6-2 | |
| ITF USA F14 | 04/20 17:10 | 25 | 킹, 에반 v Chang, Jonathan | 6-2,7-5 | |
| ITF USA F14 | 04/18 18:00 | 60 | Espin Busleiman, Geronimo v Chang, Jonathan | 4-6,6-2,5-7 | |
| ITF USA F14 | 04/18 14:30 | 60 | Krustev, Victor v Chang, Jonathan | 4-6,2-6 | |
| ITF USA F11 Qual | 03/20 17:00 | 62 | 송, 에반 v Chang, Jonathan | 6-4,6-4 | |
| ITF USA F10 Qual | 03/13 17:00 | 62 | Chang, Jonathan v 알칸타라, 프란시스 카세이 | 3-6,6-2,1-6 | |
| ITF USA F10 Qual | 03/12 19:00 | 62 | Vance, Jack v Chang, Jonathan | 2-6,0-6 | |
| Challenger Dallas Qual | 01/30 17:20 | 45 | Chang, Jonathan v 퀸지, 지안루이지 | 2-6,4-6 | |
| ITF USA F5 | 01/24 17:00 | 60 | Chang, Jonathan v 다시에크, 패트릭 | 4-6,5-7 | |
| ITF USA F4 | 01/18 16:00 | 60 | Gooch, Damon v Chang, Jonathan | 6-4,6-3 | |
| ITF USA F3 Qual | 01/11 17:00 | 60 | 사포발로브, 데니스 v Chang, Jonathan | 6-2,6-1 | |
| ITF USA F3 Qual | 01/10 16:00 | 60 | 리치몬드, 존 하리슨 v Chang, Jonathan | 6-3,1-6,6-7 | |
| ITF USA F34 Qual | 11/23 16:00 | 62 | 알코나다, 조르디 v Chang, Jonathan | 6-2,6-4 | |
| ITF USA F34 Qual | 11/22 18:00 | 62 | Ortiz, Adrian v Chang, Jonathan | 5-7,4-6 | |
| ITF USA F33 Qual | 11/14 19:00 | 60 | 주, 에반 v Chang, Jonathan | 3-6,6-3,7-5 | |
| ITF USA F32 Qual | 11/09 15:00 | 60 | Kypson, Patrick v Chang, Jonathan | 6-3,6-2 | |
| ITF USA F30 | 10/14 19:05 | 25 | Chang, Jonathan v 할레비안, 알렉시오스 | 2-6,3-6 | |
| ITF USA F30 | 10/11 15:00 | 62 | Chang, Jonathan v Hannestad, Benjamin | 6-3,6-7,6-3 | |
| ITF USA F30 | 10/10 15:30 | 62 | Braun, Niclas v Chang, Jonathan | 1-6,6-2,4-6 | |
| ITF USA F29 | 10/07 20:50 | 25 | 모흐, 미켈 v Chang, Jonathan | 5-7,6-0,6-3 |