 USA: Waco 2 - Singles - Main |
|---|
| Semi-finals | Smith R. | Chang J. | 2:0 (6:2, 6:2) | details | 26.10.2018 |
| Quarter-finals | Chang J. | Findel-Hawkins J. | 2:1 (4:6, 6:4, 7:63) | details | 25.10.2018 |
| 1/8-finals | Redlicki Mi. | Chang J. | 0:2 (4:6, 1:6) | details | 25.10.2018 |
| 1/16-finals | Poullain L. | Chang J. | 0:2 (3:6, 3:6) | details | 23.10.2018 |
| USA: Harlingen - Singles - Main |
|---|
| 1/16-finals | Crawford O. | Chang J. | 2:0 (6:1, 6:2) | details | 17.10.2018 |
| USA: Houston - Singles - Main |
|---|
| 1/16-finals | Chang J. | Peniston R. | 0:2 (0:6, 4:6) | details | 10.10.2018 |
| USA: Decatur - Singles - Main |
|---|
| 1/16-finals | Chang J. | Joyce M. | 1:2 (6:2, 3:6, 2:6) | details | 01.08.2018 |
| USA: Champaign - Singles - Main |
|---|
| 1/8-finals | Chang J. | Chrysochos P. | 1:2 (0:6, 6:3, 4:6) | details | 25.07.2018 |
| 1/16-finals | Chang J. | Brooksby J. | 2:0 (6:4, 6:4) | details | 24.07.2018 |
| USA: Pensacola - Singles - Main |
|---|
| Quarter-finals | Chang J. | Borges N. | 0:2 (2:6, 2:6) | details | 17.11.2017 |
| 1/8-finals | Adams H. | Chang J. | 0:2 (0:6, 3:6) | details | 16.11.2017 |
| 1/16-finals | Chappell N. | Chang J. | 1:2 (6:3, 4:6, 3:6) | details | 14.11.2017 |
| USA: Houston - Singles - Main |
|---|
| 1/16-finals | Vacherot V. | Chang J. | 2:1 (6:2, 63:7, 6:4) | details | 11.10.2017 |
| USA: Decatur - Singles - Main |
|---|
| 1/16-finals | Chang J. | Caruana L. | 0:2 (1:6, 1:6) | details | 01.08.2017 |
| USA: Champaign 2 - Singles - Main |
|---|
| 1/16-finals | Vukic A. | Chang J. | 2:0 (6:3, 6:4) | details | 25.07.2017 |
| USA: Winston-Salem - Singles - Main |
|---|
| 1/16-finals | Chang J. | Gojo B. | 0:2 (3:6, 2:6) | details | 14.06.2017 |
| USA: Tampa - Singles - Main |
|---|
| 1/16-finals | Trombetta T. D. | Chang J. | 2:1 (7:64, 4:6, 7:5) | details | 03.05.2017 |
| USA: Pensacola - Singles - Main |
|---|
| 1/16-finals | Daciek P. | Chang J. | 2:0 (6:4, 6:2) | details | 15.11.2016 |
| USA: Harlingen - Singles - Main |
|---|
| 1/8-finals | Chang J. | Lock B. | 0:2 (2:6, 2:6) | details | 20.10.2016 |
| 1/16-finals | Chang J. | Vaks M. | 1:0 RET. (6:1, 2:0) | details | 19.10.2016 |
| USA: Godfrey - Singles - Main |
|---|
| Quarter-finals | Williams R. | Chang J. | 2:0 (6:4, 6:2) | details | 22.07.2016 |
| 1/8-finals | Chang J. | Koepfer D. | 2:1 (63:7, 6:2, 7:5) | details | 21.07.2016 |
| 1/16-finals | Eubanks C. | Chang J. | 0:2 (2:6, 3:6) | details | 20.07.2016 |
| USA: Orange Park - Singles - Main |
|---|
| 1/16-finals | King E. | Chang J. | 2:0 (6:2, 7:5) | details | 20.04.2016 |
| USA: Houston - Singles - Main |
|---|
| 1/16-finals | Chang J. | Halebian A. | 0:2 (2:6, 3:6) | details | 14.10.2015 |
| USA: Mansfield - Singles - Main |
|---|
| 1/16-finals | Mmoh M. | Chang J. | 2:1 (5:7, 6:0, 6:3) | details | 07.10.2015 |
