Challenger - Ningbo 10/16 04:35 25 [299] Zhe Li v Jason Jung [272] 7-6,6-2
Challenger - Kaohsiung 10/04 11:05 26 [283] Jason Jung v Evgeny Donskoy [89] 1-6,6-7
Challenger - Kaohsiung 10/03 10:00 25 Jason Jung v Duckhee Lee 3-6,6-2,7-6
Taça Davis 09/17 02:00 - Hyeon Chung v Jason Jung Cancelled
Taça Davis 09/15 04:10 - [208] Soon Woo Kwon v Jason Jung [240] 6-3,6-4,2-6,7-6
Challenger - Zhangjiagang 09/10 04:00 29 [285] Ze Zhang v Jason Jung [270] 4-6,6-2,4-6
Challenger - Zhangjiagang 09/09 03:00 28 [270] Jason Jung v Go Soeda [130] 7-6,3-6,7-6
Challenger - Zhangjiagang 09/08 03:00 27 [221] Di Wu v Jason Jung [270] 6-7,3-6
Challenger - Zhangjiagang 09/07 03:00 26 [287] Dayne Kelly v Jason Jung [270] 6-3,2-6,1-6
Challenger - Zhangjiagang 09/05 06:35 25 Jason Jung v Duckhee Lee 6-4,6-1
Challenger - Aptos 08/09 19:40 26 [186] Sam Groth v Jason Jung [237] 4-6,6-3,6-0
Challenger - Aptos 08/08 19:35 25 [237] Jason Jung v Cameron Norrie [187] 7-5,6-4
ATP - Los Cabos 08/01 04:40 25 [167] Jason Jung v Adrian Mannarino [42] 3-6,3-6
Challenger - Granby 07/25 20:15 25 [162] Jason Jung v Mackenzie McDonald [221] 2-6,2-6
Challenger - Gatineau 07/18 14:00 25 [164] Jason Jung v Yasutaka Uchiyama [172] 3-6,6-7
Wimbledon - Qualificação 06/26 12:55 44 [213] Lukas Rosol v Jason Jung [160] 7-6,7-6
Challenger - Ilkley - Qualificação 06/18 10:00 46 [163] Jason Jung v Matthew Ebden [275] 7-6,2-6,4-6
Challenger - Ilkley - Qualificação 06/17 10:00 45 [163] Jason Jung v Tim Smyczek [190] 6-2,6-4
ATP - Den Bosch 06/13 09:10 25 [77] Ernesto Escobedo v Jason Jung [163] 6-4,6-2
ATP - Den Bosch - Qualificação 06/11 09:00 46 [166] Jason Jung v Dennis Novikov [174] 6-7,2-6
ATP - Den Bosch - Qualificação 06/10 08:30 45 [166] Jason Jung v Mitchell Krueger [177] 6-1,6-4
Open de França - Qualificação 05/23 09:40 44 [92] Norbert Gombos v Jason Jung [166] 6-4,6-4
Challenger - Samarkand 05/19 06:00 28 [228] Aldin Setkic v Jason Jung [173] 6-4,6-3
Challenger - Samarkand 05/18 09:40 27 [173] Jason Jung v Alexey Vatutin [273] 7-6,7-6
Challenger - Samarkand 05/17 07:50 26 Jason Jung v Denys Molchanov 6-4,4-6,6-2
Challenger - Samarkand 05/15 06:45 25 [173] Jason Jung v Prajnesh Gunneswaran [270] 3-6,7-6,6-4
Challenger - Karshi 05/08 09:30 25 [167] Jason Jung v Yaraslav Shyla [395] 6-7,6-4,4-6
Challenger - Gimcheon 05/02 02:00 25 [167] Jason Jung v Vasek Pospisil [111] 5-7,0-6
Challenger - Anning 04/26 04:15 26 [166] Jason Jung v Janko Tipsarevic [71] 5-7,2-6
Challenger - Anning 04/24 06:30 25 Jason Jung v Zihao Xia 7-5,7-5

Wikipedia - Jason Jung

Jason Jung (Chinese: 莊吉生; pinyin: Zhuāng Jíshēng; Pe̍h-ōe-jī: Chng Kit-seng; Taiwanese Mandarin: [tswáŋ tɕǐ sə́ŋ]; born 15 June 1989) is an American-born Taiwanese professional tennis player who represents the team Chinese Taipei. He has a career high ATP singles ranking of world No. 114 achieved on 30 July 2018 and has won four ATP Challenger titles. Jung has attended the University of Michigan.

History

Jung's reached his first quarterfinal at the 2018 Hall of Fame Tennis Championships in Newport, Rhode Island. He defeated veteran Nicolas Mahut in the second round, but his run was ended by Tim Smyczek, who outlasted Jung 6–1, 5–7, 6–4 in a nearly two-hour, 185-point quarterfinal match.

His career-best result is a semifinal berth at the 2020 New York Open, where he defeated former world number 5 Kevin Anderson in the first round, followed by 7th seed Cameron Norrie in the second before upsetting defending champion and 3rd seed Reilly Opelka in the quarterfinals. He was eliminated in the semifinals by Italian veteran Andreas Seppi in straight sets.