H2H data updated: 2026-09-07 00:00 UTC

Bjorn Fratangelo vs Thai-Son Kwiatkowski

Compare the head-to-head record, career totals, season-by-season performance, and match log for Bjorn Fratangelo vs Thai-Son Kwiatkowski.

USA Age 33 Right-Handed 183 cm / 6'0"
H2H
0 0
0 main-draw meetings
USA Age 31 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Bjorn Fratangelo #123 6-1 6-4 Thai-Son Kwiatkowski #207 Match data Jul 15, 2019 Q1 Q Newport ATP 250 Grass

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Bjorn Fratangelo #1,096 #99 583 1,740 22 40 35.5% 0 0 0 0 0 0
Thai-Son Kwiatkowski #1,378 #181 314 1,529 0 7 0.0% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Bjorn Fratangelo Thai-Son Kwiatkowski
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 2015 0–2 0.0% #128 1,502 0 0
22 2016 6–9 40.0% #114 1,664 0 0 2017 0–2 0.0% #520 1,477 0 0
23 2017 8–11 42.1% #110 1,720 0 0 2018 0–1 0.0% #296 1,503 0 0
24 2018 2–6 25.0% #136 1,592 0 0 2019 0–1 0.0% #243 1,511 0 0
25 2019 3–6 33.3% #207 1,645 0 0 2020 0–1 0.0% #212 1,469 0 0
26 2021 0–1 0.0% #221 1,455 0 0
27 2021 3–4 42.9% #165 1,654 0 0
28 2022 0–1 0.0% #316 1,591 0 0 2023 0–1 0.0% #322 1,450 0 0
29 2023 0–1 0.0% #698 1,611 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Bjorn Fratangelo Thai-Son Kwiatkowski
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
21 2015 0 2 2 0.0%
22 2016 5 7 12 41.7% 1 1 2 50.0% 0 1 1 0.0% 2017 0 1 1 0.0% 0 1 1 0.0%
23 2017 3 6 9 33.3% 2 4 6 33.3% 3 1 4 75.0% 2018 0 1 1 0.0%
24 2018 0 2 2 0.0% 2 3 5 40.0% 0 1 1 0.0% 2019 0 1 1 0.0%
25 2019 3 5 8 37.5% 0 1 1 0.0% 2020 0 1 1 0.0%
26 2021 0 1 1 0.0%
27 2021 3 3 6 50.0% 0 1 1 0.0%
28 2022 0 1 1 0.0% 2023 0 1 1 0.0%
29 2023 0 1 1 0.0%
Career 14 26 40 35.0% 5 11 16 31.2% 3 3 6 50.0% 0 6 6 0.0% 0 1 1 0.0%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Bjorn Fratangelo Thai-Son Kwiatkowski
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
21 2015 2/2 2.0 4.0 52.7% 62.0% 38.4% 18.3% 7.1% 51.3% 29.3% —/—
22 2016 15/15 4.8 3.2 57.4% 65.8% 55.4% 55.8% 38.1% 61.6% 35.1% 2017 2/2 5.0 7.0 60.7% 62.6% 45.5% 42.5% 59.7% 55.6% 34.9%
23 2017 19/19 4.8 3.8 58.0% 67.0% 51.6% 58.0% 43.5% 60.5% 35.4% 2018 1/1 12.0 1.0 72.6% 68.9% 41.2% 60.0% 0.0% 61.3% 19.0%
24 2018 8/8 5.3 3.9 55.1% 70.0% 50.0% 54.5% 40.9% 61.1% 38.4% 2019 1/1 9.0 7.0 58.4% 73.3% 40.6% 40.0% 33.3% 59.7% 33.8%
25 2019 9/9 4.9 4.1 57.4% 71.8% 52.5% 62.3% 42.3% 63.3% 35.4% 2020 1/1 11.0 4.0 57.9% 64.3% 49.0% 25.0% 28.6% 57.9% 29.2%
26 —/— 2021 1/1 8.0 3.0 57.4% 66.7% 45.0% 42.9% 60.0% 57.4% 37.2%
27 2021 7/7 6.7 1.3 59.5% 75.3% 52.4% 60.9% 56.5% 65.8% 34.1% —/—
28 2022 1/1 2.0 1.0 61.4% 66.7% 35.3% 50.0% 0.0% 54.5% 27.3% 2023 1/1 1.0 4.0 51.8% 63.6% 51.2% 28.6% 33.3% 57.6% 30.9%
29 2023 1/1 1.0 2.0 67.2% 61.0% 60.0% 71.4% 0.0% 60.7% 19.6% —/—
Career 62/62 4.9 3.4 57.6% 68.5% 52.0% 56.8% 40.6% 61.5% 35.0% 7/7 7.3 4.7 59.9% 66.0% 45.4% 40.2% 39.2% 57.9% 31.4%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Bjorn Fratangelo Thai-Son Kwiatkowski
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
17 2011 1471 93.4
19 2013 1460 101.4
20 2014 1469 103.6
21 2015 1502 111.8 -0.58 +1.56 0.601 39.7% 0.0% -3.60 -0.17 2016 1488 100.1
22 2016 1664 131.2 -0.76 -0.76 0.914 48.5% -51 39.5% -0.70 3–4 (43%) 2–2 (50%) 101.7 +0.10 2017 1478 106.9 -2.01 0.00 0.786 45.3% 28.6% -1.14 0–1 0–1 -0.10
23 2017 1720 130.0 -3.43 -0.08 0.896 48.4% -100 -11 -19 43.1% -0.59 3–3 (50%) 6–3 (67%) 104.8 -0.12 2018 1503 106.9 -2.53 -3.20 0.490 40.8% 0.0% -2.50 +0.10
24 2018 1592 113.0 -1.07 -0.52 0.989 49.0% +120 31.6% -0.74 1–2 (33%) 1–2 (33%) 97.5 +0.69 2019 1512 112.6 -5.09 +4.02 0.840 47.3% 0.0% -2.00 -0.21
25 2019 1645 127.8 +0.10 +0.98 0.965 49.7% +38 33.3% -0.42 2–1 (67%) 1–3 (25%) 99.5 -0.10 2020 1470 101.6 -0.62 -0.15 0.694 44.5% 25.0% -1.75 0–1 0.00
26 2021 1456 107.9 -0.38 -0.59 0.875 47.3% 33.3% -1.00 0–1 +0.06
27 2021 1655 125.7 +0.24 -0.68 0.999 50.0% +27 43.8% -0.06 0–1 1–4 (20%) +0.01 2022 1422 95.8
28 2022 1592 107.4 +1.77 +0.75 0.600 41.8% 0.0% -3.33 -0.23 2023 1450 111.9 -0.73 -3.36 0.729 45.8% 33.3% -1.33 0–1 +0.10
29 2023 1611 106.3 +0.39 -1.28 0.498 42.0% 0.0% -2.50 -0.20 2024 1421 98.7
30 2025 1395 96.8
31 2026 1386 95.8
Career 1741 128.0 -1.32 -0.17 0.908 48.4% -30 +49 -19 36.8% -0.73 9–11 (45%) 11–14 (44%) 100.1 -0.03 1530 109.5 -1.91 -0.47 0.746 45.2% 23.8% -1.47 0–3 (0%) 0–2 -0.71

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.