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