Player data updated: 2026-10-17 16:37 UTC
Thai-Son Kwiatkowski
Thai-Son Kwiatkowski represented the United States on the ATP Tour and reached a career high of No. 181. TennisDB's records show a singles record of 0–7 and no singles titles.
Peak singles rank
181 (Feb 3, 2020)
Elo peak
1530 (12th percentile)
Singles record
0–7 (0.0%)
Singles titles
0
Prize money
$556,915
Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.
ATP Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Sho Shimabukuro | 0-6 4-6 | L | H2H | Match data | Feb 7, 2026 | Q1 | Dallas Open | ATP 500 | Hard |
| Karl Poling | 6-3 5-7 3-6 | L | H2H | Match data | Aug 17, 2025* | Q1 | Winston-Salem Open | ATP 250 | Hard |
| Murphy Cassone | 2-6 4-6 | L | H2H | Match data | Jul 21, 2025* | Q1 | Washington Open | ATP 500 | Hard |
| Strong Kirchheimer | 3-6 4-6 | L | H2H | Match data | Aug 18, 2024* | Q2 | Winston-Salem Open | ATP 250 | Hard |
| Skander Mansouri | 7-6(7) 4-6 7-6(5) | W | H2H | Match data | Aug 18, 2024* | Q1 | Winston-Salem Open | ATP 250 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Soonwoo Kwon | 0 | 2 | 2 | Feb 25, 2021 | H2H |
| Luca Van Assche | 0 | 1 | 1 | Aug 22, 2023 | H2H |
| Nick Kyrgios | 0 | 1 | 1 | Jul 29, 2019 | H2H |
| James Duckworth | 0 | 1 | 1 | Aug 1, 2018 | H2H |
| Mischa Zverev | 0 | 1 | 1 | Aug 30, 2017 | H2H |
Career Results
| Season | Age | Type | W | L | M | Win % | Start Rank | End Rank |
|---|---|---|---|---|---|---|---|---|
| 2016 | 21 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| 2017 | 22 | ATP | 0 | 2 | 2 | 0.0% | 573 | 520 |
| 2018 | 23 | Qualifying | 3 | 2 | 5 | 60.0% | — | — |
| 2018 | 23 | ATP | 0 | 1 | 1 | 0.0% | 617 | 296 |
| 2019 | 24 | Qualifying | 2 | 4 | 6 | 33.3% | — | — |
| 2019 | 24 | ATP | 0 | 1 | 1 | 0.0% | 275 | 243 |
| 2020 | 25 | Qualifying | 0 | 2 | 2 | 0.0% | — | — |
| 2020 | 25 | ATP | 0 | 1 | 1 | 0.0% | 253 | 212 |
| 2021 | 26 | Qualifying | 4 | 7 | 11 | 36.4% | — | — |
| 2021 | 26 | ATP | 0 | 1 | 1 | 0.0% | 213 | 221 |
| 2022 | 27 | Qualifying | 0 | 2 | 2 | 0.0% | — | — |
| 2023 | 28 | Qualifying | 3 | 3 | 6 | 50.0% | — | — |
| 2023 | 28 | ATP | 0 | 1 | 1 | 0.0% | 1,488 | 322 |
| 2024 | 29 | Qualifying | 1 | 5 | 6 | 16.7% | — | — |
| 2025 | 30 | Qualifying | 0 | 2 | 2 | 0.0% | — | — |
| 2026 | 31 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| Career | — | 0 | 7 | 7 | 0.0% | — | — |
Career Results by Surface
| Season | Age | Type | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 2016 | 21 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2017 | 22 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% |
| 2018 | 23 | Qualifying | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | 3 | 2 | 5 | 60.0% |
| 2018 | 23 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2019 | 24 | Qualifying | 2 | 2 | 4 | 50.0% | — | — | — | — | 0 | 2 | 2 | 0.0% | 2 | 4 | 6 | 33.3% |
| 2019 | 24 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2020 | 25 | Qualifying | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 2 | 2 | 0.0% |
| 2020 | 25 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2021 | 26 | Qualifying | 3 | 4 | 7 | 42.9% | 1 | 1 | 2 | 50.0% | 0 | 2 | 2 | 0.0% | 4 | 7 | 11 | 36.4% |
| 2021 | 26 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2022 | 27 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% |
| 2023 | 28 | Qualifying | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | 3 | 3 | 6 | 50.0% |
| 2023 | 28 | ATP | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2024 | 29 | Qualifying | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 1 | 5 | 6 | 16.7% |
| 2025 | 30 | Qualifying | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% |
| 2026 | 31 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | — | — | 0 | 6 | 6 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 7 | 7 | 0.0% |
Career Results by Opponent Rank
| Season | Age | 1-10 | 11-30 | 31-100 | 100+ | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 2017 | 22 | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% |
| 2018 | 23 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| 2019 | 24 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% |
| 2020 | 25 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% |
| 2021 | 26 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% |
| 2023 | 28 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% |
| Career | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 4 | 4 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 7 | 7 | 0.0% | |
Performance Stats
| Season | Age | Sample | Aces/M | DFs/M | 1st Sv% | 1st Sv Pts% | 2nd Sv Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 22 | 2/2 | 5.0 | 7.0 | 60.7% | 62.6% | 45.5% | 42.5% | 59.7% | 55.6% | 34.9% |
| 2018 | 23 | 1/1 | 12.0 | 1.0 | 72.6% | 68.9% | 41.2% | 60.0% | 0.0% | 61.3% | 19.0% |
| 2019 | 24 | 1/1 | 9.0 | 7.0 | 58.4% | 73.3% | 40.6% | 40.0% | 33.3% | 59.7% | 33.8% |
| 2020 | 25 | 1/1 | 11.0 | 4.0 | 57.9% | 64.3% | 49.0% | 25.0% | 28.6% | 57.9% | 29.2% |
| 2021 | 26 | 1/1 | 8.0 | 3.0 | 57.4% | 66.7% | 45.0% | 42.9% | 60.0% | 57.4% | 37.2% |
| 2023 | 28 | 1/1 | 1.0 | 4.0 | 51.8% | 63.6% | 51.2% | 28.6% | 33.3% | 57.6% | 30.9% |
| Career | 7/7 | 7.3 | 4.7 | 59.9% | 66.0% | 45.4% | 40.2% | 39.2% | 57.9% | 31.4% |
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 21 | 1488 | 100.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2017 | 22 | 1478 | 106.9 | -2.01 | 0.00 | 0.786 | 45.3% | — | — | — | 28.6% | -1.14 | 0–1 | 0–1 | — | -0.10 |
| 2018 | 23 | 1503 | 106.9 | -2.53 | -3.20 | 0.490 | 40.8% | — | — | — | 0.0% | -2.50 | — | — | — | +0.10 |
| 2019 | 24 | 1512 | 112.6 | -5.09 | +4.02 | 0.840 | 47.3% | — | — | — | 0.0% | -2.00 | — | — | — | -0.21 |
| 2020 | 25 | 1470 | 101.6 | -0.62 | -0.15 | 0.694 | 44.5% | — | — | — | 25.0% | -1.75 | — | 0–1 | — | 0.00 |
| 2021 | 26 | 1456 | 107.9 | -0.38 | -0.59 | 0.875 | 47.3% | — | — | — | 33.3% | -1.00 | 0–1 | — | — | +0.06 |
| 2022 | 27 | 1422 | 95.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | 28 | 1450 | 111.9 | -0.73 | -3.36 | 0.729 | 45.8% | — | — | — | 33.3% | -1.33 | 0–1 | — | — | +0.10 |
| 2024 | 29 | 1421 | 98.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 30 | 1395 | 96.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 31 | 1386 | 95.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1530 | 109.5 | -1.91 | -0.47 | 0.746 | 45.2% | — | — | — | 23.8% | -1.47 | 0–3 (0%) | 0–2 | — | -0.71 |
Tournament Results by Category
Grand Slams
| Season | Age | AO | RG | W | USO | W-L Win % |
|---|---|---|---|---|---|---|
| 2016 | 21 | — | — | — | Q1 | 0–1 (0%) |
| 2017 | 22 | — | — | — | R128 | 0–1 (0%) |
| 2018 | 23 | — | — | — | Q2 | 1–1 (50%) |
| 2019 | 24 | — | — | — | Q1 | 0–1 (0%) |
| 2020 | 25 | Q1 | Q1 | — | R128 | 0–3 (0%) |
| 2021 | 26 | — | Q2 | Q1 | Q1 | 1–3 (25%) |
| 2022 | 27 | — | — | Q1 | — | 0–1 (0%) |
| W-L | 0–1 (0%) | 1–2 (33%) | 0–2 (0%) | 1–6 (14%) |
2–11 (15%) |
Masters 1000
| Season | Age | CAN | IW | MIA | W-L Win % |
|---|---|---|---|---|---|
| 2019 | 24 | Q1 | — | — | 0–1 (0%) |
| 2021 | 26 | — | Q2 | Q1 | 1–2 (33%) |
| 2023 | 28 | Q1 | — | — | 0–1 (0%) |
| W-L | 0–2 (0%) | 1–1 (50%) | 0–1 (0%) |
1–4 (20%) |
ATP 500
| Season | Age | DAL | WAS | WAS | W-L Win % |
|---|---|---|---|---|---|
| 2018 | 23 | — | R64 | — | 2–2 (50%) |
| 2019 | 24 | — | R64 | — | 2–1 (67%) |
| 2022 | 27 | — | Q1 | — | 0–1 (0%) |
| 2023 | 28 | — | Q2 | — | 1–1 (50%) |
| 2024 | 29 | — | Q1 | — | 0–1 (0%) |
| 2025 | 30 | — | — | Q1 | 0–1 (0%) |
| 2026 | 31 | Q1 | — | — | 0–1 (0%) |
| W-L | 0–1 (0%) | 5–6 (45%) | 0–1 (0%) |
5–8 (38%) |
ATP 250
| Season | Age | DAL | EAS | GEN | NWP | WSA | SIN | W-L Win % |
|---|---|---|---|---|---|---|---|---|
| 2017 | 22 | — | — | — | R32 | — | — | 0–1 (0%) |
| 2019 | 24 | — | Q1 | — | Q1 | — | — | 0–2 (0%) |
| 2021 | 26 | — | — | — | Q1 | — | R32 | 2–2 (50%) |
| 2023 | 28 | Q1 | — | — | — | R64 | — | 2–2 (50%) |
| 2024 | 29 | Q1 | — | Q1 | Q1 | Q2 | — | 1–4 (20%) |
| 2025 | 30 | — | — | — | — | Q1 | — | 0–1 (0%) |
| W-L | 0–2 (0%) | 0–1 (0%) | 0–1 (0%) | 0–4 (0%) | 3–3 (50%) | 2–1 (67%) |
5–12 (29%) |
Results show the best round reached per tournament and season.
ATP Ranking History full ranking history →
Career high
181
Career-high date
Feb 3, 2020
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
| Season | Age | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 22 | 567 | 564 | 553 | 545 | 550 | 571 | 677 | 710 | 706 | 538 | 542 | 520 |
| 2018 | 23 | 567 | 565 | 577 | 573 | 500 | 472 | 393 | 383 | 338 | 346 | 277 | 296 |
| 2019 | 24 | 267 | 265 | 269 | 254 | 248 | 206 | 206 | 204 | 188 | 203 | 245 | 243 |
| 2020 | 25 | 271 | 184 | 183 | — | — | — | — | 187 | 197 | 207 | 212 | 212 |
| 2021 | 26 | 213 | 219 | 224 | 223 | 219 | 225 | 226 | 223 | 241 | 232 | 217 | 221 |
| 2022 | 27 | 304 | 309 | 310 | 340 | 375 | 560 | 546 | 559 | 683 | 846 | 1496 | 1487 |
| 2023 | 28 | 1471 | 1277 | 1279 | 645 | 646 | 522 | 500 | 469 | 437 | 354 | 325 | 322 |
| 2024 | 29 | 296 | 291 | 263 | 275 | 271 | 286 | 289 | 300 | 318 | 375 | 412 | 411 |
| 2025 | 30 | 492 | 538 | 933 | 1053 | 1050 | 1048 | 1369 | 1378 | — | — | — | — |
Similar Players
Other ATP players with comparable peak level, era, career record, and career scale.
| Player | Country | Peak ranking | Peak Elo | M | W | L | Win % | Prize money | Titles | GS | M1000 | Years | Rivalries | Match log |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nino Serdarusic (active player) | CRO | #167 | 1,502 | 9 | 1 | 8 | 11.1% | $589,610 | 0 | 0 | 0 | 2016–2023 | Rivalries | Match log |
| Daniel Masur (active player) | GER | #176 | 1,586 | 6 | 1 | 5 | 16.7% | $807,740 | 0 | 0 | 0 | 2017–2021 | Rivalries | Match log |
| Frederico Ferreira Silva (active player) | POR | #168 | 1,550 | 8 | 1 | 7 | 12.5% | $974,331 | 0 | 0 | 0 | 2015–2026 | Rivalries | Match log |
| Omar Jasika (active player) | AUS | #177 | 1,534 | 6 | 1 | 5 | 16.7% | $818,721 | 0 | 0 | 0 | 2014–2025 | Rivalries | Match log |
| Filip Horansky | SVK | #161 | 1,583 | 8 | 1 | 7 | 12.5% | $563,612 | 0 | 0 | 0 | 2018–2021 | Rivalries | Match log |
| Elliot Benchetrit (active player) | MAR | #198 | 1,616 | 10 | 1 | 9 | 10.0% | $598,020 | 0 | 0 | 0 | 2018–2025 | Rivalries | Match log |
| Adrian Andreev (active player) | BUL | #183 | 1,553 | 8 | 2 | 6 | 25.0% | $547,110 | 0 | 0 | 0 | 2018–2021 | Rivalries | Match log |
| Tung-Lin Wu (active player) | TPE | #158 | 1,592 | 6 | 1 | 5 | 16.7% | $688,849 | 0 | 0 | 0 | 2021–2023 | Rivalries | Match log |
| Nicola Kuhn (active player) | GER | #174 | 1,536 | 12 | 3 | 9 | 25.0% | $466,636 | 0 | 0 | 0 | 2017–2022 | Rivalries | Match log |
| Ricardo Ojeda Lara | ESP | #171 | 1,610 | 6 | 3 | 3 | 50.0% | $234,703 | 0 | 0 | 0 | 2018–2018 | Rivalries | Match log |
| Roberto Quiroz | ECU | #172 | 1,547 | 6 | 3 | 3 | 50.0% | $398,482 | 0 | 0 | 0 | 2018–2021 | Rivalries | Match log |
| Kevin King | USA | #162 | 1,614 | 7 | 1 | 6 | 14.3% | $318,228 | 0 | 0 | 0 | 2013–2021 | Rivalries | Match log |
Frequently Asked Questions
- How old is Thai-Son Kwiatkowski?
- Thai-Son Kwiatkowski is 31 years old, born on February 13, 1995.
- Which country does Thai-Son Kwiatkowski represent?
- Thai-Son Kwiatkowski represents United States in TennisDB's ATP records.
- How tall is Thai-Son Kwiatkowski?
- Thai-Son Kwiatkowski is 188 cm / 6'2".
- Is Thai-Son Kwiatkowski left-handed or right-handed?
- Thai-Son Kwiatkowski plays right-handed.
- How many Grand Slam singles titles has Thai-Son Kwiatkowski won?
- Thai-Son Kwiatkowski has not won a Grand Slam singles title.
- How many Masters 1000 titles has Thai-Son Kwiatkowski won?
- TennisDB does not group any of Thai-Son Kwiatkowski's titles under the modern Masters 1000 category.
- What is Thai-Son Kwiatkowski's highest ATP ranking?
- Thai-Son Kwiatkowski's career-high ATP singles ranking is world No. 181, first achieved on February 3, 2020.
- What is Thai-Son Kwiatkowski's career win-loss record?
- Thai-Son Kwiatkowski has a career ATP singles record of 0 wins and 7 losses (0.0%).
- How much career prize money has Thai-Son Kwiatkowski earned?
- Thai-Son Kwiatkowski has earned at least $556,915 in career prize money from professional tennis.
- What turned-professional year does TennisDB record for Thai-Son Kwiatkowski?
- TennisDB records 2017 as Thai-Son Kwiatkowski's turned-professional year.
- Which seasons of Thai-Son Kwiatkowski's career appear in TennisDB?
- Thai-Son Kwiatkowski appears in TennisDB's ATP main-tour match records from 2017 through 2023.
- Who has Thai-Son Kwiatkowski faced most often?
- Thai-Son Kwiatkowski's most frequent opponent is Soonwoo Kwon, with a head-to-head record of 0–2 across 2 meetings.