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

Karin Knapp vs Ahsha Rolle H2H: 0-1

Ahsha Rolle holds a 1–0 lead over Karin Knapp in their WTA head-to-head. Across 1 main-draw meeting, Ahsha Rolle leads 1–0 on hard courts. Most recently, Ahsha Rolle won the 2007 US Open second round 3-6 6-4 6-3.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Karin Knapp
Italy Age 39 Right-Handed 180 cm / 5'11"
H2H
0 – 1
1 main-draw meetings
Ahsha Rolle
USA Age 41 Right-Handed 172 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ahsha Rolle #109 3-6 6-4 6-3 Karin Knapp #57 Match data Aug 30, 2007* R64 US Open Grand Slam 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
Karin Knapp #971 #33 1,420 1,710 103 118 46.6% 0 0 0 0 2 2
Ahsha Rolle #731 #82 392 1,551 8 20 28.6% 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 Karin Knapp Ahsha Rolle
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2006 3–4 42.9% #122 1,513 0 0 — — — — — — —
20 2007 14–14 50.0% #50 1,587 0 0 2005 0–1 0.0% #169 1,494 0 0
21 2008 11–14 44.0% #80 1,603 0 0 2006 1–4 20.0% #139 1,482 0 0
22 2009 3–6 33.3% #205 1,555 0 0 2007 6–7 46.2% #115 1,532 0 0
23 — — — — — — — 2008 1–7 12.5% #219 1,483 0 0
24 2011 0–3 0.0% #164 1,530 0 0 — — — — — — —
25 2012 7–7 50.0% #120 1,561 0 0 — — — — — — —
26 2013 20–15 57.1% #41 1,680 0 0 2011 0–1 0.0% #292 1,474 0 0
27 2014 18–24 42.9% #54 1,644 0 1 — — — — — — —
28 2015 22–20 52.4% #51 1,704 0 2 — — — — — — —
29 2016 5–10 33.3% #147 1,637 0 2 — — — — — — —
30 2017 0–1 0.0% #966 1,617 0 2 — — — — — — —

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 Karin Knapp Ahsha Rolle
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 1 2 3 33.3% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
20 2007 3 5 8 37.5% 11 7 18 61.1% 0 2 2 0.0% — — — — 2005 0 1 1 0.0% — — — — — — — — — — — —
21 2008 7 8 15 46.7% 4 5 9 44.4% — — — — 0 1 1 0.0% 2006 0 3 3 0.0% — — — — 1 1 2 50.0% — — — —
22 2009 3 4 7 42.9% 0 2 2 0.0% — — — — — — — — 2007 5 5 10 50.0% 0 1 1 0.0% 1 1 2 50.0% — — — —
23 — — — — — — — — — — — — — — — — — 2008 1 6 7 14.3% 0 1 1 0.0% — — — — — — — —
24 2011 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
25 2012 1 2 3 33.3% 6 4 10 60.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
26 2013 6 6 12 50.0% 11 8 19 57.9% 3 1 4 75.0% — — — — 2011 — — — — 0 1 1 0.0% — — — — — — — —
27 2014 13 15 28 46.4% 4 7 11 36.4% 0 1 1 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
28 2015 10 13 23 43.5% 12 4 16 75.0% 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — —
29 2016 0 4 4 0.0% 5 5 10 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
30 2017 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 44 62 106 41.5% 55 45 100 55.0% 3 9 12 25.0% 1 2 3 33.3% — 6 15 21 28.6% 0 3 3 0.0% 2 2 4 50.0% — — — —

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 191/221 of Karin Knapp's and 20/27 of Ahsha Rolle'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 Karin Knapp Ahsha Rolle
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 2/7 2.5 4.5 56.9% 69.2% 46.9% 37.5% 67.9% 60.1% 43.1% — —/— — — — — — — — — —
20 2007 19/28 3.0 6.3 54.6% 65.6% 42.6% 50.6% 36.5% 55.0% 44.6% — —/— — — — — — — — — —
21 2008 21/25 2.1 5.0 60.9% 60.3% 40.5% 48.7% 51.3% 52.6% 43.1% 2006 3/5 6.7 6.7 54.9% 64.9% 40.1% 36.4% 26.9% 53.9% 38.3%
22 2009 8/9 0.8 5.3 50.2% 59.7% 41.0% 49.3% 44.6% 49.7% 43.9% 2007 10/13 6.2 3.2 59.7% 69.5% 45.1% 55.9% 45.4% 59.5% 39.4%
23 — —/— — — — — — — — — — 2008 6/8 3.2 4.2 58.6% 56.8% 46.2% 39.6% 39.6% 52.6% 37.1%
24 2011 3/3 1.0 10.7 59.1% 60.2% 39.8% 51.3% 49.7% 51.6% 41.5% — —/— — — — — — — — — —
25 2012 14/14 1.6 6.0 59.3% 60.0% 40.5% 49.9% 43.5% 52.0% 44.1% — —/— — — — — — — — — —
26 2013 29/35 2.9 5.0 56.6% 67.7% 43.8% 54.9% 50.9% 57.4% 46.7% 2011 1/1 4.0 3.0 58.8% 73.3% 42.9% 57.1% 33.3% 60.8% 32.3%
27 2014 39/42 3.6 4.7 57.7% 65.5% 43.2% 50.6% 51.2% 55.9% 41.9% — —/— — — — — — — — — —
28 2015 41/42 2.5 4.2 64.1% 61.4% 48.0% 52.5% 49.5% 56.7% 43.8% — —/— — — — — — — — — —
29 2016 14/15 2.7 4.9 56.1% 61.7% 41.1% 46.8% 45.0% 52.8% 40.7% — —/— — — — — — — — — —
30 2017 1/1 3.0 5.0 48.1% 60.0% 29.6% 58.3% 50.0% 44.2% 44.7% — —/— — — — — — — — — —
Career — 191/221 2.6 5.1 58.6% 63.4% 43.5% 51.0% 48.2% 55.0% 43.6% — 20/28 5.3 4.0 58.6% 65.2% 44.5% 48.1% 40.3% 56.7% 38.2%

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 Karin Knapp Ahsha Rolle
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 2006 1513 108.6 -0.12 -2.10 1.081 52.1% -5 +47 — 47.1% +0.47 1–2 (33%) 2–4 (33%) 98.3 +0.25 — — — — — — — — — — — — — — — —
20 2007 1587 121.4 -0.55 -0.12 0.990 49.7% -69 +90 — 49.3% 0.00 6–7 (46%) 6–3 (67%) 101.3 +0.69 2005 1494 104.1 — — — — — — — 33.3% +0.67 0–1 0–1 — -0.08
21 2008 1603 120.0 -1.76 -0.63 0.909 48.0% -25 +27 — 46.6% -0.74 3–5 (38%) 5–3 (63%) 99.5 +1.04 2006 1482 103.9 -0.46 -0.80 0.832 46.2% -11 — — 20.0% -1.90 — 1–0 — -0.37
22 2009 1556 96.3 -3.79 -1.88 0.874 46.7% +5 — — 25.0% -1.75 — 1–1 — +1.05 2007 1533 109.9 +1.47 -2.43 0.972 49.1% -2 — — 42.9% -0.43 4–0 (100%) — — +0.19
23 — — — — — — — — — — — — — — — — 2008 1484 106.0 -0.14 -2.45 0.782 45.3% +14 — — 17.6% -2.29 0–1 0–1 — -0.26
24 2011 1531 107.5 +1.01 -0.38 0.858 47.0% — — — 33.3% -1.11 0–3 (0%) 2–1 (67%) — -0.47 — — — — — — — — — — — — — — — —
25 2012 1562 108.4 -2.46 -0.27 0.918 48.2% -36 +93 — 45.7% -0.69 5–2 (71%) 1–1 — +0.13 — — — — — — — — — — — — — — — —
26 2013 1681 127.7 +1.14 +1.48 1.097 52.0% -86 -9 -89 57.3% +0.40 5–7 (42%) 5–1 (83%) 103.3 +0.66 2011 1474 100.8 -1.92 +1.05 0.823 45.1% — — — 0.0% -2.50 — — — -0.08
27 2014 1645 120.9 -0.61 -1.24 0.951 49.0% -13 -18 — 45.7% -0.48 4–8 (33%) 6–5 (55%) 97.7 +0.92 — — — — — — — — — — — — — — — —
28 2015 1704 130.8 -0.82 +1.99 1.010 50.4% -81 +81 -160 53.8% +0.27 6–5 (55%) 7–7 (50%) 102.7 -0.73 — — — — — — — — — — — — — — — —
29 2016 1637 105.2 -1.99 -0.46 0.862 46.9% -62 +121 — 36.4% -1.42 1–4 (20%) 2–0 — -0.47 — — — — — — — — — — — — — — — —
30 2017 1618 — -0.56 -4.07 0.802 44.4% — — — — — — — — +0.14 — — — — — — — — — — — — — — — —
Career — 1711 124.9 -0.85 +0.14 0.969 49.4% -43 +53 -119 48.2% -0.26 31–43 (42%) 37–26 (59%) 103.3 +1.45 — 1552 109.3 +0.53 -2.02 0.880 47.3% +2 — — 30.0% -1.22 4–2 (67%) 1–2 (33%) 103.2 -2.14

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.