H2H data updated: 2026-09-13 00:00 UTC

Karolina Sprem vs Jamea Jackson H2H: 1-0

Karolina Sprem holds a 1–0 lead over Jamea Jackson 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 Charleston Open round of 32 2-6 6-3 6-2.

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Karolina Sprem
CRO Age 41 Right-Handed 175 cm / 5'9"
H2H
1 – 0
1 main-draw meetings
Jamea Jackson
USA Age 40 Right-Handed 163 cm / 5'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karolina Sprem #90 2-6 6-3 6-2 Jamea Jackson #83 Match data Apr 13, 2006* R32 Charleston Open Tier I → modern equivalent WTA 1000 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
Jamea Jackson #382 #43 479 1,662 33 50 39.8% 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 Jamea Jackson
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2003 0–1 0.0% #444 1,491 0 0
17 2002 0–1 0.0% #273 1,482 0 0 2004 2–5 28.6% #156 1,482 0 0
18 2003 12–8 60.0% #59 1,603 0 0 2005 10–14 41.7% #80 1,520 0 0
19 2004 32–23 58.2% #18 1,761 0 0 2006 19–19 50.0% #45 1,608 0 0
20 2005 15–23 39.5% #65 1,659 0 0 2007 0–6 0.0% #588 1,539 0 0
21 2006 12–16 42.9% #89 1,626 0 0 2008 2–5 28.6% #273 1,529 0 0
22 2007 4–5 44.4% #209 1,612 0 0 — — — — — — —
23 2008 7–7 50.0% #174 1,623 0 0 — — — — — — —
24 2009 3–8 27.3% #92 1,568 0 0 — — — — — — —
25 2010 8–12 40.0% #94 1,562 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 Jamea Jackson
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 — — — — — — — — — — — — — — — — — 2003 0 1 1 0.0% — — — — — — — — — — — —
17 2002 — — — — 0 1 1 0.0% — — — — — — — — 2004 1 4 5 20.0% — — — — 1 1 2 50.0% — — — —
18 2003 0 2 2 0.0% 11 5 16 68.8% 1 1 2 50.0% — — — — 2005 6 11 17 35.3% 1 1 2 50.0% 3 2 5 60.0% — — — —
19 2004 17 14 31 54.8% 8 5 13 61.5% 5 2 7 71.4% 2 2 4 50.0% 2006 11 13 24 45.8% 2 4 6 33.3% 6 2 8 75.0% — — — —
20 2005 12 15 27 44.4% 3 5 8 37.5% 0 2 2 0.0% 0 1 1 0.0% 2007 0 3 3 0.0% 0 1 1 0.0% 0 2 2 0.0% — — — —
21 2006 2 10 12 16.7% 8 5 13 61.5% 2 1 3 66.7% — — — — 2008 2 5 7 28.6% — — — — — — — — — — — —
22 2007 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — — — — — — — — — —
23 2008 1 1 2 50.0% 6 6 12 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
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% — — — — — — — — — — — — — — — — —
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% — 20 37 57 35.1% 3 6 9 33.3% 10 7 17 58.8% — — — —

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 40/82 of Jamea Jackson'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 Jamea Jackson
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%
17 — —/— — — — — — — — — — 2004 1/7 0.0 4.0 64.0% 53.8% 44.4% 50.0% 36.8% 50.4% 44.2%
18 2003 2/20 2.5 6.0 49.5% 62.9% 34.7% 46.4% 27.5% 48.7% 35.2% 2005 9/24 1.1 2.4 66.3% 62.4% 42.0% 56.2% 56.0% 55.5% 45.3%
19 2004 7/55 3.0 6.0 53.9% 63.7% 41.1% 57.9% 39.2% 53.4% 40.6% 2006 20/38 0.7 3.1 66.5% 58.3% 48.9% 47.6% 44.4% 55.1% 45.1%
20 2005 7/38 1.0 4.9 42.9% 51.0% 42.0% 28.6% 37.0% 46.0% 47.8% 2007 5/6 0.4 4.0 62.9% 45.0% 40.0% 37.7% 28.9% 43.7% 32.8%
21 2006 17/28 3.3 5.5 52.7% 63.5% 46.6% 60.8% 57.7% 55.2% 43.4% 2008 5/7 1.2 4.4 62.5% 52.0% 37.3% 43.7% 55.6% 46.8% 40.2%
22 2007 7/9 2.4 6.0 50.3% 65.9% 41.1% 64.4% 45.9% 53.6% 40.1% — —/— — — — — — — — — —
23 2008 12/14 3.9 4.6 54.4% 68.0% 47.0% 58.2% 44.7% 58.6% 45.0% — —/— — — — — — — — — —
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% — —/— — — — — — — — — —
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% — 40/83 0.8 3.2 65.5% 56.7% 44.7% 47.9% 46.3% 52.6% 43.0%

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 Jamea Jackson
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 — — — — — — — — — — — — — — — — 2003 1492 100.0 — — — — — — — 0.0% -3.50 — — — -0.13
17 2002 1483 93.8 — — — — — — — 0.0% -4.50 — — — +0.14 2004 1483 106.1 -0.74 -0.28 0.892 47.5% -1 — — 46.7% -0.07 0–3 (0%) 0–3 (0%) — -0.03
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 2005 1521 117.6 -0.08 -0.13 1.020 50.4% -39 — +118 43.6% -0.38 3–4 (43%) 4–1 (80%) 103.8 -0.78
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 2006 1609 128.7 -0.56 +0.41 1.005 50.0% -63 -80 +192 53.5% +0.27 6–8 (43%) 3–8 (27%) 98.3 +0.35
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 2007 1540 95.2 -4.69 -3.50 0.583 38.5% -33 — — 7.7% -3.54 0–1 — — -0.44
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 2008 1530 101.3 -3.99 -0.29 0.755 43.5% -25 — — 28.6% -2.21 0–2 1–0 — -0.20
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 — — — — — — — — — — — — — — — —
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 — — — — — — — — — — — — — — — —
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 — — — — — — — — — — — — — — — —
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 — 1662 120.0 -1.40 -0.31 0.907 47.8% -44 -80 +164 44.3% -0.45 9–18 (33%) 8–12 (40%) 96.4 -1.48

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.