Coming out of high school, he was the nation's top recruit.[3] 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.[4] After his senior season, he was named first-team all-ACC.[5] Kwiatkowski won the singles title at the 2017 NCAA Men's Singles Championship, defeating William Blumberg in the final.[6]
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
Kwiatkowski in 2018
After winning the NCAA singles championship, Kwiatkowski was awarded a wildcard into the main draw of the 2017 US Open.[1] He faced the 23rd seed Mischa Zverev in the first round, losing in five sets.[8][9]
In August 2024, he announced his retirement after playing his last singles match at the 2024 Winston-Salem Open[14][15] 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.[16] Kwiatkowski majored in commerce.[3]
On 23 February 2021, Thai-Son Kwiatkowski successfully obtained Vietnamese citizenship in order to play for Vietnam's national tennis team in upcoming tournaments.[17] 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.[18] He is playing for Hung Thinh – Ho Chi Minh City team since October 2019.[19]
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.[20][21]
ATP Challenger and Futures/ITF World Tennis Tour finals
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