French Open, Paris, France 09/23 09:45 15 [125] Jason Jung v Robredo, Tommy [220] 6-4,6-3
French Open, Paris, France 09/21 10:20 14 [125] Jason Jung v Yosuke Watanuki [231] 6-2,6-0
Challenger - Aix en Provence 09/08 13:35 25 [110] Sousa, Pedro v Jason Jung [122] 3-6,6-2,6-4
US Open, New York, USA 08/31 15:00 23 [122] Jason Jung v Federico Coria [103] Retired
Monterrey, Mexico 03/06 18:00 27 [120] Jason Jung v Ernesto Escobedo [200] 2-6,2-6
Monterrey, Mexico 03/05 17:00 26 [120] Jason Jung v Lorenzo Giustino [153] 6-1,6-2
Monterrey, Mexico 03/03 23:20 25 [120] Jason Jung v Collin Altamirano [377] 7-6,6-7,7-6
ATP - Acapulco 02/26 01:00 25 [119] Jason Jung v Alexander Zverev [7] 6-7,1-6
ATP - Acapulco 02/23 23:00 164 [221] Daniel Altmaier v Jason Jung [119] 1-6,3-6
ATP - Acapulco 02/23 02:35 64 [156] Steven Diez v Jason Jung [119] 2-6,2-6
ATP - Delray Beach 02/18 19:35 25 [269] Noah Rubin v Jason Jung [119] Retired
New York, USA 02/16 00:00 28 [98] Seppi, Andreas v Jason Jung [131] 6-3,6-2
New York, USA 02/15 00:30 27 [40] Opelka, Reilly v Jason Jung [131] 7-5,4-6,4-6
New York, USA 02/13 18:55 26 [131] Jason Jung v Cameron Norrie [59] 6-4,6-4
New York, USA 02/12 02:10 25 [131] Jason Jung v Anderson, Kevin [120] 7-6,6-4
New York, USA 02/10 17:00 164 [131] Jason Jung v Mitchell Krueger [221] 6-2,6-4
New York, USA 02/09 17:00 64 Jason Jung v Kushnirovich, Gary 6-3,6-2
Challenger Dallas 02/06 20:00 26 [156] Emilio Gomez v Jason Jung [128] 4-6,6-4,7-6
Challenger Dallas 02/05 00:35 25 [314] King, Kevin v Jason Jung [128] 6-7,4-6
Newport Beach, USA 01/29 20:30 25 Christopher Eubanks v Jason Jung 6-4,7-5
Open d'Australie 01/16 07:55 45 [186] Daniel Elahi Galan v Jason Jung [125] 6-3,3-6,6-3
Open d'Australie 01/14 03:45 44 [255] Young, Donald v Jason Jung [125] 4-6,7-6,1-6
Challenger Canberra 01/06 23:00 24 [194] Darian King v Jason Jung [125] 4-6,6-4,6-3
Open d'Australie Playoff Wilcard Australienne 12/08 06:00 29 [128] Jason Jung v Tatsuma Ito [148] 5-7,4-6
Open d'Australie Playoff Wilcard Australienne 12/07 04:30 28 [128] Jason Jung v Duckhee Lee [250] 6-2,6-1
Open d'Australie Playoff Wilcard Australienne 12/06 02:00 27 Jason Jung v Yuki Mochizuki 6-1,6-4
Open d'Australie Playoff Wilcard Australienne 12/05 04:55 26 Jason Jung v Jie Cui 6-3,6-4
Houston, USA 11/15 22:35 27 [123] Marcos Giron v Jason Jung [130] 6-1,2-6,6-2
Houston, USA 11/15 19:50 26 [217] Alexey Vatutin v Jason Jung [130] 5-7,2-6
Houston, USA 11/13 16:00 25 [350] Nguyen, Daniel v Jason Jung [130] 3-6,2-6

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.