H2H data updated: 2026-09-12 00:00 UTC

Karolina Sprem vs Ashley Harkleroad H2H: 1-0

Karolina Sprem holds a 1–0 lead over Ashley Harkleroad in their WTA head-to-head. Across 1 main-draw meeting, Karolina Sprem leads 1–0 on clay. Most recently, Karolina Sprem won the 2006 Prague round of 32 0-6 6-4 6-3.

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Karolina Sprem
CRO Age 41 Right-Handed 175 cm / 5'9"
H2H
1 – 0
1 main-draw meetings
Ashley Harkleroad
USA Age 41 Right-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karolina Sprem #72 0-6 6-4 6-3 Ashley Harkleroad #74 Match data May 11, 2006* R32 Prague Tier IV → modern equivalent WTA 250 Clay

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
Karolina Sprem #921 #17 1,504 1,854 93 104 47.2% 0 0 0 0 0 0
Ashley Harkleroad #1,051 #39 821 1,681 51 79 39.2% 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 Karolina Sprem Ashley Harkleroad
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2001 0–2 0.0% #277 1,479 0 0
17 2002 0–1 0.0% #273 1,482 0 0 2002 3–5 37.5% #113 1,501 0 0
18 2003 12–8 60.0% #59 1,603 0 0 2003 14–14 50.0% #52 1,592 0 0
19 2004 32–23 58.2% #18 1,761 0 0 2004 8–12 40.0% #123 1,581 0 0
20 2005 15–23 39.5% #65 1,659 0 0 2005 0–4 0.0% #118 1,528 0 0
21 2006 12–16 42.9% #89 1,626 0 0 2006 9–15 37.5% #86 1,550 0 0
22 2007 4–5 44.4% #209 1,612 0 0 2007 7–14 33.3% #67 1,512 0 0
23 2008 7–7 50.0% #174 1,623 0 0 2008 10–11 47.6% #133 1,570 0 0
24 2009 3–8 27.3% #92 1,568 0 0 — — — — — — —
25 2010 8–12 40.0% #94 1,562 0 0 2010 0–2 0.0% #1020 1,551 0 0
26 2011 0–1 0.0% #817 1,544 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 Karolina Sprem Ashley Harkleroad
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 %
16 — — — — — — — — — — — — — — — — — 2001 0 2 2 0.0% — — — — — — — — — — — —
17 2002 — — — — 0 1 1 0.0% — — — — — — — — 2002 3 5 8 37.5% — — — — — — — — — — — —
18 2003 0 2 2 0.0% 11 5 16 68.8% 1 1 2 50.0% — — — — 2003 5 7 12 41.7% 9 5 14 64.3% 0 2 2 0.0% — — — —
19 2004 17 14 31 54.8% 8 5 13 61.5% 5 2 7 71.4% 2 2 4 50.0% 2004 7 8 15 46.7% 1 3 4 25.0% 0 1 1 0.0% — — — —
20 2005 12 15 27 44.4% 3 5 8 37.5% 0 2 2 0.0% 0 1 1 0.0% 2005 0 3 3 0.0% — — — — 0 1 1 0.0% — — — —
21 2006 2 10 12 16.7% 8 5 13 61.5% 2 1 3 66.7% — — — — 2006 6 9 15 40.0% 2 5 7 28.6% 1 1 2 50.0% — — — —
22 2007 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — 2007 5 9 14 35.7% 2 4 6 33.3% 0 1 1 0.0% — — — —
23 2008 1 1 2 50.0% 6 6 12 50.0% — — — — — — — — 2008 9 7 16 56.3% 0 2 2 0.0% 1 2 3 33.3% — — — —
24 2009 1 2 3 33.3% 1 4 5 20.0% 0 1 1 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
25 2010 4 4 8 50.0% 1 4 5 20.0% 2 3 5 40.0% 1 1 2 50.0% 2010 0 2 2 0.0% — — — — — — — — — — — —
26 2011 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 37 51 88 42.0% 42 38 80 52.5% 10 10 20 50.0% 4 5 9 44.4% — 35 52 87 40.2% 14 19 33 42.4% 2 8 10 20.0% — — — —

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 82/196 of Karolina Sprem's and 65/120 of Ashley Harkleroad'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 Karolina Sprem Ashley Harkleroad
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%
18 2003 2/20 2.5 6.0 49.5% 62.9% 34.7% 46.4% 27.5% 48.7% 35.2% 2003 6/28 1.0 2.2 71.5% 58.8% 40.9% 55.5% 33.7% 53.6% 44.8%
19 2004 7/55 3.0 6.0 53.9% 63.7% 41.1% 57.9% 39.2% 53.4% 40.6% 2004 3/20 1.0 2.7 73.5% 51.7% 34.3% 37.5% 84.8% 47.2% 45.2%
20 2005 7/38 1.0 4.9 42.9% 51.0% 42.0% 28.6% 37.0% 46.0% 47.8% 2005 1/4 1.0 3.0 57.1% 25.0% 11.1% 33.3% — 19.0% 27.6%
21 2006 17/28 3.3 5.5 52.7% 63.5% 46.6% 60.8% 57.7% 55.2% 43.4% 2006 15/24 1.3 3.1 66.1% 60.3% 42.4% 48.5% 43.6% 54.0% 40.0%
22 2007 7/9 2.4 6.0 50.3% 65.9% 41.1% 64.4% 45.9% 53.6% 40.1% 2007 20/21 0.6 3.1 71.1% 56.9% 42.2% 50.3% 43.1% 52.5% 43.3%
23 2008 12/14 3.9 4.6 54.4% 68.0% 47.0% 58.2% 44.7% 58.6% 45.0% 2008 19/21 0.8 3.4 68.3% 57.6% 42.7% 48.2% 45.4% 52.9% 44.6%
24 2009 10/11 3.9 6.2 53.2% 66.7% 44.2% 44.0% 40.1% 56.3% 38.6% — —/— — — — — — — — — —
25 2010 19/20 4.6 4.8 51.2% 70.9% 48.0% 46.1% 35.3% 59.7% 39.9% 2010 1/2 0.0 2.0 72.5% 48.6% 42.9% 44.4% 50.0% 47.1% 31.9%
26 2011 1/1 8.0 11.0 54.1% 67.9% 31.1% 66.7% 45.5% 51.0% 42.7% — —/— — — — — — — — — —
Career — 82/197 3.5 5.4 51.7% 65.4% 44.9% 52.0% 43.2% 55.6% 41.9% — 65/130 0.9 3.1 69.1% 57.2% 41.5% 48.8% 44.4% 52.2% 42.7%

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 Karolina Sprem Ashley Harkleroad
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
16 — — — — — — — — — — — — — — — — 2001 1479 102.7 — — — — — — — 33.3% -1.17 0–2 — — -0.03
17 2002 1483 93.8 — — — — — — — 0.0% -4.50 — — — +0.14 2002 1502 120.5 — — — — +25 — — 37.5% -0.50 — 1–1 — -0.26
18 2003 1604 127.0 -1.05 -1.09 0.686 41.7% — +85 — 51.0% +0.04 8–3 (73%) 2–3 (40%) 108.1 -0.54 2003 1592 121.9 -0.82 +0.82 0.967 49.5% -59 +93 — 49.1% -0.04 1–6 (14%) 2–3 (40%) 94.4 +0.64
19 2004 1761 145.8 -0.31 -1.03 0.870 47.2% -93 -1 -10 58.1% +0.55 6–10 (38%) 6–2 (75%) 101.9 -1.22 2004 1581 123.9 -1.88 -0.09 0.856 46.1% 0 +53 — 42.9% -0.62 2–2 (50%) 1–3 (25%) 99.0 -0.37
20 2005 1659 133.4 -3.79 +1.69 0.885 46.7% +25 +35 — 42.7% -0.76 5–8 (38%) 3–1 (75%) 97.8 -0.42 2005 1529 99.7 -1.98 -1.34 0.341 24.0% +12 — — 25.0% -2.25 0–2 — — -0.09
21 2006 1626 122.4 -0.58 -0.67 0.970 49.8% -80 +129 +85 43.8% -0.23 4–6 (40%) 2–3 (40%) 95.6 -0.32 2006 1550 119.5 -0.91 -2.27 0.871 47.1% +17 +27 — 41.5% -0.98 1–4 (20%) 4–1 (80%) 99.6 -0.70
22 2007 1613 105.7 -1.15 -1.26 0.864 47.0% — +130 — 47.6% -0.33 1–2 (33%) 2–1 (67%) 98.8 +0.37 2007 1513 111.3 -2.54 -1.08 0.912 48.0% +6 +48 — 37.2% -0.67 1–2 (33%) 2–3 (40%) 98.6 +1.00
23 2008 1624 118.5 +1.82 +0.88 1.087 52.2% — +63 — 54.3% +0.43 2–5 (29%) 1–2 (33%) 94.8 -0.54 2008 1571 121.1 -2.19 +0.77 0.946 48.8% +20 — -60 48.9% -0.30 2–3 (40%) 2–1 (67%) 100.8 -0.16
24 2009 1569 117.7 +0.90 -2.06 0.883 47.8% -19 +54 — 40.7% -0.70 0–5 (0%) — — -0.09 — — — — — — — — — — — — — — — —
25 2010 1563 118.6 +2.17 -2.28 0.992 49.6% +13 -2 +117 44.4% +0.02 3–4 (43%) 2–5 (29%) 97.3 +0.13 2010 1552 102.9 -1.56 +0.46 0.603 39.8% — — — 0.0% -4.25 — — — -0.09
26 2011 1545 98.1 +0.35 -2.30 0.871 47.2% — — — 33.3% -1.33 0–1 — — +0.18 — — — — — — — — — — — — — — — —
Career — 1855 135.3 +0.29 -0.90 0.944 48.9% -39 +66 +51 48.8% -0.08 29–44 (40%) 18–17 (51%) 95.7 -1.18 — 1681 124.5 -1.85 -0.57 0.895 47.5% +2 +64 -60 42.4% -0.63 7–21 (25%) 12–12 (50%) 92.7 -0.05

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.