| Canada F7, Singles |
09/13 15:40 |
26 |
Barry, Sam
v
Chang, Jonathan
|
6-3,6-3
|
|
| Canada F7, Singles |
09/12 17:15 |
25 |
Lin, Winston
v
Chang, Jonathan
|
2-6,1-6
|
|
| ITF Canada F7 Qual |
09/10 16:15 |
44 |
Chang, Jonathan
v
Rowland Phillips
|
6-1,6-1
|
|
| ITF Canada F7 Qual |
09/09 21:00 |
44 |
Chang, Jonathan
v
Pare, Francis
|
6-2,6-4
|
|
| ITF Canada F6 |
09/06 15:30 |
26 |
Nguyen, Daniel
v
Chang, Jonathan
|
6-4,6-4
|
|
| ITF Canada F6 |
09/04 17:10 |
25 |
Chang, Jonathan
v
Kushnirovich, Gary
|
6-4,3-6,6-1
|
|
| ITF Canada F6 Qual |
09/03 17:55 |
44 |
Chang, Jonathan
v
Ho, Denton
|
6-1,6-1
|
|
| ITF Canada F6 Qual |
09/02 21:00 |
44 |
Chang, Jonathan
v
Leduc, Antoine
|
5-7,6-2,6-4
|
|
| ITF Canada F5 |
08/29 16:30 |
25 |
Chang, Jonathan
v
Nguyen, Daniel
|
3-6,2-6
|
|
| ITF USA F27 Qual |
08/05 14:30 |
62 |
Chang, Jonathan
v
Friedrich, Gabriel
|
1-6,4-6
|
|
| ITF USA F26 |
08/01 18:15 |
25 |
Chang, Jonathan
v
Caruana, Liam
|
1-6,1-6
|
|
| ITF USA F25 |
07/25 14:00 |
25 |
Aleksandar Vukic
v
Chang, Jonathan
|
6-3,6-4
|
|
| ITF USA F25 Qual |
07/24 16:20 |
62 |
Chang, Jonathan
v
Elio Jose Ribeiro Lago
|
7-5,6-3
|
|
| ITF USA F25 Qual |
07/23 13:30 |
62 |
Chang, Jonathan
v
Emhardt, Charlie
|
6-2,6-1
|
|
| ITF USA F25 Qual |
07/22 14:30 |
62 |
Chang, Jonathan
v
Emmett Ward
|
6-2,6-1
|
|
| ITF USA F24 Qual |
07/16 15:00 |
62 |
Chang, Jonathan
v
Schorsch, Jeffrey
|
5-7,1-6
|
|
| ITF USA F24 Qual |
07/15 14:00 |
62 |
Chang, Jonathan
v
Adam Neff
|
6-3,6-2
|
|
| Challenger Winnetka Qual |
07/09 15:00 |
46 |
Galloway, Robert
v
Chang, Jonathan
|
7-6,6-2
|
|
| ITF Canada F4 |
07/04 16:00 |
25 |
Chang, Jonathan
v
Martinez, Luis David
|
5-7,4-6
|
|
| ITF Canada F3 |
06/27 19:10 |
25 |
Sarmiento, Raymond
v
Chang, Jonathan
|
6-3,6-4
|
|
| ITF USA F19 Qual |
06/19 16:40 |
62 |
Chang, Jonathan
v
Smith, Riley
|
4-6,4-6
|
|
| ITF USA F19 Qual |
06/18 14:00 |
62 |
Chang, Jonathan
v
Dias, Francisco
|
6-2,6-0
|
|
| ITF USA F17 |
06/14 14:00 |
25 |
Chang, Jonathan
v
Gojo, Borna
|
3-6,2-6
|
|
| ITF USA F16 |
05/03 15:45 |
25 |
Trombetta, Ty
v
Chang, Jonathan
|
7-6,4-6,7-5
|
|
| ITF USA F16 |
05/01 13:00 |
60 |
Chang, Jonathan
v
Barretto, Paul
|
1-6,6-7
|
|
| ITF USA F15 |
04/25 14:00 |
60 |
Chang, Jonathan
v
Lipka, Dariusz
|
3-6,4-6
|
|
| ITF USA F15 |
04/23 15:00 |
60 |
Chang, Jonathan
v
Boris Kozlov
|
6-4,3-6,6-3
|
|
| ITF USA F15 |
04/22 18:00 |
60 |
Chang, Jonathan
v
Davidson, Patrick
|
7-6,6-4
|
|
| ITF USA F15 |
04/21 15:30 |
60 |
Chang, Jonathan
v
Paige, Nolan C
|
5-7,6-4,6-3
|
|
| ITF USA F14 |
04/17 13:30 |
60 |
Chang, Jonathan
v
Belov, Sergey
|
6-4,3-6,4-6
|
|