• Usia - 34.

Jonathan Chang pertandingan terakhir

• Roy Smith - Jonathan Chang | 26 Okt 2018 | 2:0 ITF Waco 2 Men
• Jonathan Chang - Jack Findel-Hawkins | 25 Okt 2018 | 2:1 ITF Waco 2 Men
• Michael Redlicki - Jonathan Chang | 25 Okt 2018 | 0:2 ITF Waco 2 Men
• Lucas Poullain - Jonathan Chang | 23 Okt 2018 | 0:2 ITF Waco 2 Men
• Oliver Crawford - Jonathan Chang | 17 Okt 2018 | 2:0 ITF Harlingen Men
• Jonathan Chang - Martin Joyce | 01 Agu 2018 | 1:2 ITF Decatur Men
• Jonathan Chang - Petros Chrysochos | 25 Jul 2018 | 1:2 ITF Champaign Men
• Jonathan Chang - Jenson Brooksby | 24 Jul 2018 | 2:0 ITF Champaign Men
• Aleksandar Vukic - Jonathan Chang | 25 Jul 2017 | 2:0 ITF Champaign 2 Men
• Ty D Trombetta - Jonathan Chang | 03 Mei 2017 | 2:1 ITF Tampa Men