ATPrating 1308 · peak 1469
Thai-Son Kwiatkowski
USA · 31 years old · plays right-handed · 6'2" tall · born in Charlotte, NC, USA
ATP singles record since 2007
Won-lost
4-21
16% of matches
Titles
0
0 finals lost
Tiebreaks
3-6
won-lost
Deciding sets
1 of 11
45% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 4-17 | 19% | 46% | 3-4 | 1321 |
| grass | 0-3 | 0% | 38% | 0-1 | 1360 |
| clay | 0-1 | 0% | 47% | 0-1 | 1470 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2026-02-07 | Nexo Dallas Open Qualifying 1st Round | Sho Shimabukuro | loss | 6-0 6-4 |
| 2025-08-16 | Winston-Salem Open Qualifying 1st Round | Karl Poling | loss | 3-6 7-5 6-3 |
| 2025-07-19 | Mubadala DC Open Qualifying 1st Round | Murphy Cassone | loss | 6-2 6-4 |
| 2024-08-18 | Winston-Salem Open Qualifying Final | Strong Kirchheimer | loss | 6-3 6-4 |
| 2024-08-17 | Winston-Salem Open Qualifying 1st Round | Skander Mansouri | win | 7-6(7) 4-6 7-6(5) |
| 2024-07-27 | Mubadala DC Open Qualifying 1st Round | Marc Polmans | loss | 3-6 7-5 6-2 |
| 2024-07-14 | Cerity Partners Hall of Fame Open for the Van Alen Cup Presented by the Margaret Fund Qualifying 1st Round | Mitchell Krueger | loss | 6-3 7-6(4) |
| 2024-05-18 | Gonet Geneva Open Qualifying 1st Round | Nicolas Moreno De Alboran | loss | 4-6 6-3 7-6(4) |
| 2024-02-04 | Nexo Dallas Open Qualifying 1st Round | Terence Atmane | loss | 4-6 7-6(2) 6-2 |
| 2023-08-21 | Winston-Salem Open Round 1 | Luca Van Assche | loss | 3-6 6-3 6-2 |
| 2023-08-20 | Winston-Salem Open Qualifying Final | Andrey Kuznetsov | win | 6-1 6-0 |
| 2023-08-19 | Winston-Salem Open Qualifying 1st Round | Nick Hardt | win | 7-6(5) 6-3 |
| 2023-08-05 | National Bank Open presented by Rogers Qualifying 1st Round | Christopher O'Connell | loss | 6-2 2-6 6-4 |
| 2023-07-30 | Mubadala DC Open Qualifying Final | Shang Juncheng | loss | 7-6(5) 6-2 |
| 2023-07-29 | Mubadala DC Open Qualifying 1st Round | Peter Polansky | win | 6-2 6-0 |
| 2023-02-05 | Nexo Dallas Open Qualifying 1st Round | Stefan Kozlov | loss | 6-3 6-4 |
| 2022-07-30 | Mubadala DC Open Qualifying 1st Round | Alex Rybakov | loss | 4-6 6-1 6-3 |
| 2022-06-20 | Wimbledon Qualifying 1st Round | Facundo Mena | loss | 7-5 6-3 |
| 2021-02-24 | Singapore Tennis Open Round 1 | SoonWoo Kwon | loss | 4-6 6-3 6-4 |
| 2021-02-24 | Singapore Tennis Open | SoonWoo Kwon | loss | 4-6 6-3 6-4 |
| 2020-08-31 | US Open Round 1 | SoonWoo Kwon | loss | 3-6 7-6(4) 6-1 6-2 |
| 2019-07-31 | Citi Open Round 1 | Nick Kyrgios | loss | 7-5 6-4 |
| 2018-07-31 | Citi Open Round 1 | James Duckworth | loss | 6-3 7-5 |
| 2017-08-28 | US Open Round 1 | Mischa Zverev | loss | 7-6(5) 4-6 4-6 7-5 6-3 |
| 2017-07-17 | ATP Dell Technologies Hall of Fame Tennis Championships Round 1 | Peter Gojowczyk | loss | 6-3 6-3 |
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