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

Katie Boulter vs Sara Errani H2H: 1-0

Katie Boulter holds a 1–0 lead over Sara Errani in their WTA head-to-head. Across 1 main-draw meeting, Katie Boulter leads 1–0 on hard courts. Most recently, Katie Boulter won the 2024 Ningbo Open first round 6-3 6-2.

Great Britain Age 30 Right-Handed 182 cm / 6'0"
H2H
1 0
1 main-draw meetings
Italy Age 39 Right-Handed 164 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Katie Boulter #35 6-3 6-2 Sara Errani #90 Match data Oct 17, 2024* R32 Ningbo Open WTA 500 Hard
Katie Boulter #127 6-3 6-3 Sara Errani #148 Match data Mar 8, 2022 Q2 Q Indian Wells Open WTA 1000 Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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
Sara Errani #476 #5 5,835 2,005 387 304 56.0% 0 0 0 1 8 9

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 Sara Errani
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2006 3–3 50.0% #174 1,529 0 0
20 2017 0–1 0.0% #198 1,482 0 0 2007 10–7 58.8% #69 1,613 0 0
21 2018 6–8 42.9% #97 1,594 0 0 2008 29–22 56.9% #42 1,735 0 2
22 2019 2–3 40.0% #319 1,611 0 0 2009 25–27 48.1% #47 1,655 0 2
23 2020 1–2 33.3% #365 1,613 0 0 2010 36–29 55.4% #43 1,722 0 2
24 2021 8–10 44.4% #149 1,628 0 0 2011 30–26 53.6% #45 1,673 0 2
25 2022 9–8 52.9% #136 1,738 0 0 2012 53–20 72.6% #6 1,897 0 6
26 2023 11–10 52.4% #56 1,738 0 1 2013 46–22 67.6% #7 1,885 0 7
27 2024 29–20 59.2% #24 1,822 0 3 2014 35–23 60.3% #14 1,773 0 7
28 2025 11–18 37.9% #106 1,750 0 3 2015 46–26 63.9% #20 1,751 0 8
29 2026 19–16 54.3% #62 1,772 0 4 2016 21–23 47.7% #49 1,656 0 9
30 2017 18–16 52.9% #144 1,652 0 9
31 2018 6–8 42.9% #112 1,767 0 9
32 2019 2–6 25.0% #198 1,575 0 9
33 2020 4–3 57.1% #131 1,606 0 9
34 2021 8–12 40.0% #121 1,574 0 9
35 2022 2–5 28.6% #109 1,606 0 9
36 2023 3–10 23.1% #105 1,548 0 9
37 2024 10–14 41.7% #105 1,693 0 9
38 2025 0–2 0.0% #476 1,590 0 9

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 Sara Errani
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
19 2006 3 3 6 50.0%
20 2017 0 1 1 0.0% 2007 4 3 7 57.1% 6 4 10 60.0%
21 2018 3 5 8 37.5% 3 3 6 50.0% 2008 14 10 24 58.3% 14 10 24 58.3% 1 2 3 33.3%
22 2019 2 3 5 40.0% 2009 16 14 30 53.3% 8 9 17 47.1% 1 3 4 25.0% 0 1 1 0.0%
23 2020 1 2 3 33.3% 2010 21 16 37 56.8% 11 10 21 52.4% 4 3 7 57.1%
24 2021 4 8 12 33.3% 4 2 6 66.7% 2011 14 16 30 46.7% 13 7 20 65.0% 3 3 6 50.0%
25 2022 2 4 6 33.3% 7 4 11 63.6% 2012 23 14 37 62.2% 28 3 31 90.3% 2 3 5 40.0%
26 2023 4 7 11 36.4% 7 3 10 70.0% 2013 22 15 37 59.5% 21 5 26 80.8% 0 1 1 0.0% 3 1 4 75.0%
27 2024 21 13 34 61.8% 0 4 4 0.0% 8 3 11 72.7% 2014 13 14 27 48.1% 19 6 25 76.0% 0 2 2 0.0% 3 1 4 75.0%
28 2025 5 12 17 29.4% 2 3 5 40.0% 4 3 7 57.1% 2015 22 17 39 56.4% 22 7 29 75.9% 2 2 4 50.0%
29 2026 12 8 20 60.0% 4 5 9 44.4% 3 3 6 50.0% 2016 13 14 27 48.1% 7 7 14 50.0% 1 2 3 33.3%
30 2017 7 6 13 53.8% 11 8 19 57.9% 0 2 2 0.0%
31 2018 1 2 3 33.3% 5 6 11 45.5%
32 2019 0 2 2 0.0% 2 4 6 33.3%
33 2020 1 1 2 50.0% 3 2 5 60.0%
34 2021 2 6 8 25.0% 6 6 12 50.0%
35 2022 0 1 1 0.0% 2 4 6 33.3%
36 2023 1 3 4 25.0% 1 5 6 16.7% 1 2 3 33.3%
37 2024 4 6 10 40.0% 6 7 13 46.2% 0 1 1 0.0%
38 2025 0 2 2 0.0%
Career 54 62 116 46.6% 6 12 18 33.3% 36 22 58 62.1% 178 160 338 52.7% 188 115 303 62.0% 15 26 41 36.6% 6 3 9 66.7%

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 593/692 of Sara Errani'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 Sara Errani
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 —/— 2006 1/6 0.0 1.0 76.4% 33.3% 38.5% 50.0% 16.7% 34.5% 39.5%
20 2017 1/1 6.0 2.0 57.5% 68.0% 43.2% 44.4% 50.0% 57.5% 38.4% 2007 12/17 0.8 2.3 66.1% 56.1% 48.0% 41.1% 52.6% 53.4% 44.4%
21 2018 12/14 4.3 2.5 57.6% 63.2% 48.6% 49.8% 43.7% 56.6% 39.4% 2008 34/51 0.5 2.7 64.2% 57.6% 46.0% 48.1% 45.8% 53.2% 45.7%
22 2019 5/5 5.8 4.8 57.0% 73.0% 43.6% 62.8% 41.0% 60.2% 36.6% 2009 44/52 0.3 2.5 69.2% 55.6% 44.7% 50.9% 45.1% 52.5% 44.6%
23 2020 3/3 2.0 5.0 52.9% 64.6% 48.7% 51.9% 66.3% 56.7% 37.0% 2010 59/65 0.4 1.5 75.4% 56.2% 44.0% 55.5% 51.2% 53.4% 47.7%
24 2021 18/18 2.8 4.5 57.4% 64.7% 49.2% 55.7% 46.3% 57.9% 40.6% 2011 53/56 0.4 1.9 76.2% 57.7% 47.2% 52.0% 48.6% 55.0% 47.1%
25 2022 17/17 2.8 4.1 60.0% 69.4% 40.6% 53.2% 47.5% 57.9% 39.5% 2012 63/73 0.3 1.1 76.1% 60.2% 49.9% 54.1% 56.5% 57.5% 51.5%
26 2023 21/21 3.9 5.2 58.0% 67.7% 43.8% 59.7% 49.1% 58.0% 43.6% 2013 57/68 0.1 1.1 82.1% 57.9% 48.5% 52.4% 51.1% 56.1% 50.4%
27 2024 48/49 3.6 5.3 56.3% 72.2% 45.5% 54.3% 46.4% 60.7% 42.8% 2014 54/58 0.1 1.2 81.3% 56.1% 45.3% 52.4% 50.1% 54.1% 48.1%
28 2025 24/29 2.7 6.3 59.0% 62.3% 39.7% 47.0% 50.3% 53.4% 41.0% 2015 54/72 0.1 1.4 83.3% 54.9% 50.0% 49.2% 55.4% 54.2% 49.7%
29 2026 33/35 1.9 5.5 59.3% 67.0% 39.8% 46.6% 44.3% 56.4% 42.8% 2016 38/45 0.1 1.2 85.4% 52.9% 43.6% 51.6% 52.4% 51.5% 48.0%
30 —/— 2017 31/34 0.1 1.3 78.7% 52.5% 41.2% 40.6% 54.1% 50.3% 49.6%
31 —/— 2018 14/14 0.1 2.9 81.3% 57.5% 36.7% 41.9% 45.6% 53.8% 46.0%
32 —/— 2019 8/8 0.1 8.0 61.0% 51.0% 28.4% 30.1% 44.3% 42.3% 46.0%
33 —/— 2020 7/7 0.0 4.6 77.6% 54.9% 39.2% 58.2% 57.5% 51.3% 51.3%
34 —/— 2021 19/20 0.1 2.9 78.4% 52.1% 36.1% 52.3% 55.8% 48.5% 49.7%
35 —/— 2022 7/7 0.0 1.9 80.7% 52.1% 33.4% 39.3% 47.1% 48.4% 45.5%
36 —/— 2023 13/13 0.0 1.5 79.1% 47.8% 31.7% 36.6% 49.8% 44.5% 41.9%
37 —/— 2024 23/24 0.1 1.5 77.5% 52.4% 42.3% 41.1% 47.1% 49.8% 44.4%
38 —/— 2025 2/2 0.0 1.5 82.0% 53.3% 47.6% 49.5% 75.0% 52.2% 36.8%
Career 182/192 3.1 5.0 57.9% 67.7% 43.6% 52.5% 47.0% 57.7% 41.6% 593/692 0.2 1.7 77.3% 55.8% 44.9% 49.9% 51.1% 53.3% 47.9%

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 Sara Errani
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
19 2016 1493 97.3 2006 1529 107.3 -2.72 -1.03 0.604 36.7% +41 46.2% -0.39 1–0 1–0 -0.21
20 2017 1483 99.7 +1.01 -1.68 0.903 47.3% 33.3% -0.67 0–1 +0.04 2007 1614 121.3 -0.77 +0.04 0.953 49.0% -56 +20 55.0% +0.43 4–2 (67%) 3–2 (60%) 103.4 -0.20
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 2008 1735 135.4 -1.78 +1.64 0.976 49.4% -49 -6 -147 53.8% +0.34 10–7 (59%) 4–5 (44%) 102.2 -1.64
22 2019 1612 118.1 +1.64 -0.86 0.919 48.0% -15 41.7% -0.50 1–1 1–0 -0.20 2009 1655 132.5 -2.62 +1.07 0.938 48.6% +1 +49 -81 50.9% +0.04 5–7 (42%) 6–3 (67%) 100.5 +0.75
23 2020 1613 109.1 -0.24 -1.93 0.856 47.8% -3 28.6% -0.57 1–0 0–1 -0.13 2010 1723 134.3 -2.26 +3.11 1.025 50.6% +16 -53 -104 56.5% +0.29 6–11 (35%) 12–6 (67%) 100.8 +1.24
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 2011 1673 134.0 -0.30 +3.09 1.047 51.0% -6 +66 -54 54.0% +0.26 7–11 (39%) 5–6 (45%) 97.1 -1.90
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 2012 1898 155.0 +1.80 +6.73 1.210 54.4% -78 +149 -273 69.0% +1.52 11–5 (69%) 7–3 (70%) 107.8 -1.43
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 2013 1886 156.0 +1.16 +6.37 1.149 53.2% -27 +186 62.2% +0.85 10–5 (67%) 6–5 (55%) 103.2 -0.44
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 2014 1774 140.1 -1.37 +3.74 1.048 51.1% -49 +280 58.0% +0.40 9–10 (47%) 10–6 (63%) 95.0 +2.02
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 2015 1752 137.5 -3.26 +7.03 1.083 52.0% -25 +216 -179 58.6% +0.66 18–11 (62%) 12–6 (67%) 104.0 +3.08
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 2016 1657 128.4 -3.45 +3.74 0.989 49.8% +7 +192 -112 49.5% -0.14 5–8 (38%) 8–5 (62%) 94.9 +0.33
30 2017 1652 117.1 -4.83 +3.87 0.998 49.9% +19 +108 53.3% +0.13 5–4 (56%) 6–2 (75%) 103.4 +0.62
31 2018 1767 125.7 -0.84 +2.69 0.996 50.0% +17 -5 48.5% -0.21 1–4 (20%) 2–1 (67%) 96.4 -1.13
32 2019 1575 92.5 -7.16 -0.74 0.798 44.2% +37 31.6% -1.74 1–2 (33%) +0.92
33 2020 1607 122.5 -2.17 +3.15 1.053 51.1% +33 55.6% +0.06 2–2 (50%) 1–1 -0.05
34 2021 1575 114.0 -4.44 +2.94 0.966 49.1% -11 +76 39.5% -0.79 2–3 (40%) 1–3 (25%) 97.1 -0.94
35 2022 1607 109.2 -3.27 +0.30 0.881 46.5% +45 35.7% -0.64 1–1 0–1 -0.07
36 2023 1548 97.8 -6.59 -1.63 0.755 43.4% -51 +75 -7 24.1% -2.07 2–1 (67%) 0–1 -0.14
37 2024 1693 123.6 -4.63 +1.30 0.884 47.1% -121 +82 37.7% -0.94 5–0 (100%) 1–2 (33%) 106.5 -1.08
38 2025 1590 105.5 -0.55 +0.36 0.771 45.0% 20.0% -1.60 0–1 0–1 -0.15
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 2006 138.5 -1.81 +3.71 1.026 50.6% -25 +106 -122 54.6% +0.29 105–95 (53%) 85–59 (59%) 104.5 -0.06

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.