Jason Jung

Jung's reached his first quarterfinal at the 2018 Dell Technologies 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.

Jung played college tennis at the University of Michigan, where he majored in political science. As a tennis player, he was the National and Midwest Regional winner of the ITA/Arthur Ashe Award for Leadership & Sportsmanship in 2010, made the All Big Ten team as a junior and senior, and is 4th all-time in Michigan history in career doubles wins.

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 professional tennis player who represents Taiwan. He is a University of Michigan alumnus who has cracked the Top 150 in the ATP rankings and also won four ATP Challenger events.