Thai-Son Kwiatkowski

Thai-Son Kwiatkowski (born February 13, 1995) is a Vietnamese American tennis player. He played collegiately for the Virginia Cavaliers. On 29 May 2017, Kwiatkowski won the NCAA Men's Singles Championship.

College career Coming out of high school, he was the nation's top recruit. Kwiatkowski was on three national championship teams during his time at Virginia. As a sophomore, he tied the school's single season wins record, going 44-8 during the season. On September 11, 2016, Kwiatkowski won the American Collegiate Invitational, which earned him a wild card into the qualifying tournament for the 2017 US Open. After his senior season, he was named first-team all-ACC. Kwiatkowski won the singles title at the 2017 NCAA Men's Singles Championship, defeating William Blumberg in the final.

Other notable college achievements: 2018 NCAA Top 10 Award winner ACC Men's Tennis Scholar-Athlete of the Year (second straight year) Was also named the Virginia Athletic Department's Scholar Athlete of the Year for the second straight year Singles All-American, his third time earning the honor All-ACC First Team, his fourth all-conference honor but his first time being voted to the first team ITA Atlantic Region Senior Player of the Year NCAA All-Tournament Team at No. 2 Doubles ITA Indoors All-Tournament Team (No. 2 Singles and No. 2 Doubles) ITA Scholar-Athlete Repeated as the VaSID State Player of the Year Four-time member of the All-ACC Academic Team ACC Player of the Week (April 18)

Professional career

After winning the NCAA singles championship, Kwiatkowski was awarded a wildcard into the main draw of the 2017 US Open.

He won his maiden Challenger title in Newport Beach in 2020. He was also awarded a wildcard into the main draw of the 2020 US Open, where he lost in the first round to Kwon Soon-woo in four sets.

In August 2024, he announced his retirement after playing his last singles match at the 2024 Winston-Salem Open but in August 2025, he was accepted into the tournament to play in the qualifying competition using protected ranking.

Personal life Thai-Son's parents are Wendi Le and Tim Kwiatkowski. He has a younger brother named Liem. His parents are both University of Virginia alumni. Kwiatkowski is of Vietnamese and Polish descent. Kwiatkowski majored in commerce. He immediately became the most accomplished tennis player to represent Vietnam after he obtained the citizenship and planned to represent the country in international competition. He is playing for Hung Thinh – Ho Chi Minh City team since October 2019.

Thai-Son is not the first foreign-born tennis player to be recruited by a Vietnamese domestic tennis team. Daniel Nguyen a Vietnamese American tennis player is playing for the Hai Dang - Tay Ninh team and obtained Vietnamese citizenship in 2019.

ATP Challenger and ITF Tour finals

Singles: 9 (8 titles, 1 runner-up) Legend (singles)ATP Challenger Tour (1–0)Futures/ITF World Tennis Tour (7–1)Finals by surfaceHard (7–1)Clay (1–0)

Doubles: 14 (5 titles, 9 runner-ups) Legend (doubles)ATP Challenger Tour (1–4)Futures/ITF World Tennis Tour (4–5)Finals by surfaceHard (5–6)Clay (0–3)