H2H data updated: 2026-09-14 00:00 UTC

Katie Boulter vs Su-Wei Hsieh H2H: 0-1

Su-Wei Hsieh holds a 1–0 lead over Katie Boulter in their WTA head-to-head. Across 1 main-draw meeting, Su-Wei Hsieh leads 1–0 on hard courts. Most recently, Su-Wei Hsieh won the 2018 Miami Open first round 6-4 7-5.

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Katie Boulter
Great Britain Age 30 Right-Handed 182 cm / 6'0"
H2H
0 – 1
1 main-draw meetings
Su-Wei Hsieh
Chinese Taipei Age 40 Right-Handed 169 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Su-Wei Hsieh #61 6-4 7-5 Katie Boulter #208 Match data Mar 22, 2018* R128 Miami Open Premier Mandatory → modern equivalent WTA 1000 Hard

Estimated match date where the exact historical date is unavailable. 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
Katie Boulter #62 #23 1,931 1,857 96 96 50.0% 0 0 0 1 3 4
Su-Wei Hsieh #909 #23 1,960 1,880 153 176 46.5% 0 0 0 0 3 3

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 Katie Boulter Su-Wei Hsieh
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 2001 5–2 71.4% #164 1,548 0 0
16 — — — — — — — 2002 0–1 0.0% #267 1,540 0 0
19 — — — — — — — 2005 0–3 0.0% #142 1,506 0 0
20 2017 0–1 0.0% #198 1,482 0 0 2006 0–4 0.0% #129 1,462 0 0
21 2018 6–8 42.9% #97 1,594 0 0 2007 1–7 12.5% #157 1,419 0 0
22 2019 2–3 40.0% #319 1,611 0 0 2008 5–8 38.5% #81 1,483 0 0
23 2020 1–2 33.3% #365 1,613 0 0 2009 1–2 33.3% #314 1,473 0 0
24 2021 8–10 44.4% #149 1,628 0 0 2010 0–2 0.0% #362 1,454 0 0
25 2022 9–8 52.9% #136 1,738 0 0 2011 1–1 50.0% #172 1,458 0 0
26 2023 11–10 52.4% #56 1,738 0 1 2012 22–14 61.1% #25 1,672 0 2
27 2024 29–20 59.2% #24 1,822 0 3 2013 13–25 34.2% #86 1,554 0 2
28 2025 11–18 37.9% #106 1,750 0 3 2014 6–12 33.3% #141 1,542 0 2
29 2026 19–16 54.3% #62 1,772 0 4 2015 6–5 54.5% #93 1,581 0 2
30 — — — — — — — 2016 12–12 50.0% #87 1,586 0 2
31 — — — — — — — 2017 8–15 34.8% #82 1,600 0 2
32 — — — — — — — 2018 32–17 65.3% #28 1,778 0 3
33 — — — — — — — 2019 31–24 56.4% #32 1,781 0 3
34 — — — — — — — 2020 1–7 12.5% #67 1,706 0 3
35 — — — — — — — 2021 9–14 39.1% #108 1,686 0 3
37 — — — — — — — 2023 0–1 0.0% #713 1,658 0 3

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 Katie Boulter Su-Wei Hsieh
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 %
15 — — — — — — — — — — — — — 2001 5 2 7 71.4% — — — — — — — —
16 — — — — — — — — — — — — — 2002 0 1 1 0.0% — — — — — — — —
19 — — — — — — — — — — — — — 2005 0 3 3 0.0% — — — — — — — —
20 2017 — — — — — — — — 0 1 1 0.0% 2006 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0%
21 2018 3 5 8 37.5% — — — — 3 3 6 50.0% 2007 1 5 6 16.7% 0 1 1 0.0% 0 1 1 0.0%
22 2019 2 3 5 40.0% — — — — — — — — 2008 4 4 8 50.0% 0 3 3 0.0% 1 1 2 50.0%
23 2020 1 2 3 33.3% — — — — — — — — 2009 1 2 3 33.3% — — — — — — — —
24 2021 4 8 12 33.3% — — — — 4 2 6 66.7% 2010 0 2 2 0.0% — — — — — — — —
25 2022 2 4 6 33.3% — — — — 7 4 11 63.6% 2011 1 1 2 50.0% — — — — — — — —
26 2023 4 7 11 36.4% — — — — 7 3 10 70.0% 2012 15 7 22 68.2% 2 3 5 40.0% 5 4 9 55.6%
27 2024 21 13 34 61.8% 0 4 4 0.0% 8 3 11 72.7% 2013 10 18 28 35.7% 1 4 5 20.0% 2 3 5 40.0%
28 2025 5 12 17 29.4% 2 3 5 40.0% 4 3 7 57.1% 2014 6 8 14 42.9% 0 2 2 0.0% 0 2 2 0.0%
29 2026 12 8 20 60.0% 4 5 9 44.4% 3 3 6 50.0% 2015 5 3 8 62.5% 0 1 1 0.0% 1 1 2 50.0%
30 — — — — — — — — — — — — — 2016 6 6 12 50.0% 5 4 9 55.6% 1 2 3 33.3%
31 — — — — — — — — — — — — — 2017 5 9 14 35.7% 2 2 4 50.0% 1 4 5 20.0%
32 — — — — — — — — — — — — — 2018 21 9 30 70.0% 6 5 11 54.5% 5 3 8 62.5%
33 — — — — — — — — — — — — — 2019 23 16 39 59.0% 4 5 9 44.4% 4 3 7 57.1%
34 — — — — — — — — — — — — — 2020 0 5 5 0.0% 1 2 3 33.3% — — — —
35 — — — — — — — — — — — — — 2021 9 9 18 50.0% 0 3 3 0.0% 0 2 2 0.0%
37 — — — — — — — — — — — — — 2023 — — — — 0 1 1 0.0% — — — —
Career — 54 62 116 46.6% 6 12 18 33.3% 36 22 58 62.1% — 112 112 224 50.0% 21 37 58 36.2% 20 27 47 42.6%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 182/192 of Katie Boulter's and 285/321 of Su-Wei Hsieh's main draw matches. 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 Katie Boulter Su-Wei Hsieh
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%
19 — —/— — — — — — — — — — 2005 1/3 0.0 1.0 68.9% 45.2% 28.6% 44.4% 0.0% 40.0% 31.9%
20 2017 1/1 6.0 2.0 57.5% 68.0% 43.2% 44.4% 50.0% 57.5% 38.4% 2006 2/4 0.0 1.5 70.8% 54.2% 53.1% 56.9% 10.7% 53.2% 36.5%
21 2018 12/14 4.3 2.5 57.6% 63.2% 48.6% 49.8% 43.7% 56.6% 39.4% 2007 3/8 0.3 3.0 58.2% 61.7% 45.8% 57.9% 26.5% 55.0% 34.9%
22 2019 5/5 5.8 4.8 57.0% 73.0% 43.6% 62.8% 41.0% 60.2% 36.6% 2008 11/13 1.1 3.7 53.2% 62.4% 43.3% 51.4% 38.7% 53.6% 42.4%
23 2020 3/3 2.0 5.0 52.9% 64.6% 48.7% 51.9% 66.3% 56.7% 37.0% 2009 3/3 0.3 3.7 58.9% 51.8% 46.8% 29.4% 52.6% 49.8% 48.1%
24 2021 18/18 2.8 4.5 57.4% 64.7% 49.2% 55.7% 46.3% 57.9% 40.6% 2010 2/2 0.5 4.0 60.9% 63.3% 38.7% 52.2% 46.3% 53.7% 43.8%
25 2022 17/17 2.8 4.1 60.0% 69.4% 40.6% 53.2% 47.5% 57.9% 39.5% 2011 2/2 0.0 2.5 62.8% 59.0% 52.3% 72.4% 57.5% 56.4% 54.5%
26 2023 21/21 3.9 5.2 58.0% 67.7% 43.8% 59.7% 49.1% 58.0% 43.6% 2012 29/36 0.6 2.5 64.5% 63.4% 48.2% 50.2% 45.6% 58.1% 47.7%
27 2024 48/49 3.6 5.3 56.3% 72.2% 45.5% 54.3% 46.4% 60.7% 42.8% 2013 33/38 0.7 3.0 62.9% 54.8% 42.6% 45.6% 49.0% 50.2% 43.3%
28 2025 24/29 2.7 6.3 59.0% 62.3% 39.7% 47.0% 50.3% 53.4% 41.0% 2014 14/18 0.9 2.6 61.9% 54.6% 40.0% 41.3% 41.6% 49.3% 42.3%
29 2026 33/35 1.9 5.5 59.3% 67.0% 39.8% 46.6% 44.3% 56.4% 42.8% 2015 7/11 2.1 2.9 61.0% 61.1% 53.7% 55.2% 49.1% 58.2% 41.7%
30 — —/— — — — — — — — — — 2016 24/24 1.1 2.6 58.5% 61.5% 47.9% 48.7% 43.8% 55.8% 43.3%
31 — —/— — — — — — — — — — 2017 23/23 1.1 2.7 63.4% 56.9% 39.7% 45.0% 49.8% 50.5% 44.3%
32 — —/— — — — — — — — — — 2018 46/49 0.8 3.1 63.3% 60.9% 47.5% 57.5% 54.0% 56.0% 47.2%
33 — —/— — — — — — — — — — 2019 53/55 0.7 3.2 64.4% 61.9% 46.6% 51.7% 47.6% 56.5% 44.9%
34 — —/— — — — — — — — — — 2020 8/8 0.1 3.0 61.2% 53.2% 42.9% 42.4% 53.9% 48.9% 40.7%
35 — —/— — — — — — — — — — 2021 23/23 0.7 3.1 64.0% 55.2% 43.8% 49.8% 41.6% 51.7% 43.2%
37 — —/— — — — — — — — — — 2023 1/1 1.0 2.0 64.9% 60.0% 44.4% 16.7% 45.5% 54.5% 45.5%
Career — 182/192 3.1 5.0 57.9% 67.7% 43.6% 52.5% 47.0% 57.7% 41.6% — 285/329 0.8 2.9 62.6% 59.3% 45.3% 50.0% 47.0% 54.1% 44.5%

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 Katie Boulter Su-Wei Hsieh
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
15 — — — — — — — — — — — — — — — — 2001 1548 108.6 — — — — +31 — — 63.2% +1.00 3–2 (60%) 0–2 — +1.12
16 — — — — — — — — — — — — — — — — 2002 1541 99.3 — — — — — — — 0.0% -5.00 — — — -0.23
19 2016 1493 97.3 — — — — — — — — — — — — — 2005 1506 99.1 -0.87 -2.03 0.532 35.9% +18 — — 14.3% -2.43 0–1 0–1 — -0.18
20 2017 1483 99.7 +1.01 -1.68 0.903 47.3% — — — 33.3% -0.67 0–1 — — +0.04 2006 1462 97.2 -0.43 -2.06 0.780 45.6% — — — 11.1% -2.11 0–1 — — +0.03
21 2018 1594 115.0 -0.12 -1.06 0.907 47.7% -27 — +22 45.5% -0.70 2–3 (40%) 2–0 — -0.32 2007 1419 94.3 -0.52 -2.42 0.776 45.0% +29 — — 22.2% -2.00 0–2 0–1 — -0.15
22 2019 1612 118.1 +1.64 -0.86 0.919 48.0% -15 — — 41.7% -0.50 1–1 1–0 — -0.20 2008 1483 115.6 -0.18 -0.54 0.915 47.9% +35 -31 — 40.0% -0.83 2–2 (50%) 1–1 — -0.39
23 2020 1613 109.1 -0.24 -1.93 0.856 47.8% -3 — — 28.6% -0.57 1–0 0–1 — -0.13 2009 1473 99.4 -1.34 -1.35 0.959 48.9% +30 — — 33.3% -0.83 — — — +0.39
24 2021 1629 122.0 +0.87 -1.11 0.965 49.3% -39 — +50 47.5% -0.35 3–3 (50%) 1–1 — -0.81 2010 1454 101.1 -0.49 +0.07 0.946 48.5% — — — 20.0% -0.80 0–1 0–2 — -0.03
25 2022 1738 131.0 +0.12 -1.36 0.939 49.0% -68 — +130 53.8% 0.00 4–3 (57%) 4–1 (80%) 106.4 -0.69 2011 1459 105.4 -0.05 -0.94 1.250 55.5% — — — 60.0% +1.40 0–1 0–1 — +0.27
26 2023 1738 126.8 +0.54 +0.56 1.039 51.1% -58 — +162 52.1% +0.40 3–3 (50%) 2–4 (33%) 99.1 +1.53 2012 1672 133.4 +1.38 +2.74 1.138 52.7% -4 -182 -35 58.2% +0.62 7–6 (54%) 5–5 (50%) 104.4 +0.40
27 2024 1823 146.2 +3.23 -0.07 1.090 51.5% +13 -317 +185 55.8% +0.58 8–4 (67%) 4–7 (36%) 102.5 +1.02 2013 1554 116.0 -3.73 +0.15 0.871 46.8% +4 -81 +19 37.6% -1.02 3–6 (33%) 5–7 (42%) 97.2 -0.23
28 2025 1750 130.9 -2.50 -0.85 0.879 47.3% -17 -99 +247 38.0% -0.80 8–5 (62%) 3–4 (43%) 100.8 -1.84 2014 1542 107.7 -3.95 -1.33 0.834 45.9% +33 — — 35.7% -1.24 3–3 (50%) 2–4 (33%) 98.6 +0.26
29 2026 1772 138.8 -0.30 +0.33 0.982 49.5% +20 -125 +149 50.6% +0.08 9–5 (64%) 4–4 (50%) 103.9 -0.89 2015 1582 111.2 -0.41 -0.09 0.996 50.3% +31 — — 48.1% +0.04 4–1 (80%) 1–0 — +0.05
30 — — — — — — — — — — — — — — — — 2016 1586 119.0 -0.64 +0.61 0.979 49.4% -1 -70 -44 47.4% -0.11 6–3 (67%) 2–3 (40%) 103.6 -0.11
31 — — — — — — — — — — — — — — — — 2017 1601 109.3 -4.02 +0.80 0.895 47.4% -15 -59 -29 37.0% -0.98 4–6 (40%) 3–4 (43%) 98.3 +0.19
32 — — — — — — — — — — — — — — — — 2018 1778 132.6 -0.63 +4.07 1.073 51.5% -22 -182 -83 58.2% +0.56 12–6 (67%) 5–4 (56%) 108.9 -0.49
33 — — — — — — — — — — — — — — — — 2019 1781 146.5 +0.12 +2.75 1.033 50.7% +29 -185 -15 52.6% +0.24 16–9 (64%) 10–8 (56%) 107.5 -1.32
34 — — — — — — — — — — — — — — — — 2020 1707 118.1 -2.64 +0.13 0.796 44.9% +27 -121 — 17.6% -2.35 0–1 1–0 — -0.47
35 — — — — — — — — — — — — — — — — 2021 1687 126.8 -2.62 -0.02 0.895 47.4% +64 -177 — 43.1% -0.80 3–4 (43%) 4–0 (100%) — -1.53
37 — — — — — — — — — — — — — — — — 2023 1658 96.7 -0.52 -0.38 1.002 49.4% — — — 33.3% -0.33 0–1 0–1 — +0.20
38 — — — — — — — — — — — — — — — — 2024 1628 102.2 — — — — — — — — — — — — —
Career — 1858 137.9 +0.67 -0.38 0.985 49.7% -11 -160 +143 48.9% -0.04 39–28 (58%) 21–22 (49%) 106.4 -1.19 — 1881 128.6 -1.28 +1.43 0.970 49.3% +14 -131 -34 46.0% -0.30 63–56 (53%) 39–44 (47%) 103.9 -0.68

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.