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

Alexandra Dulgheru vs Karin Knapp H2H: 0-1

Karin Knapp holds a 1–0 lead over Alexandra Dulgheru in their WTA head-to-head. Across 1 main-draw meeting, Karin Knapp leads 1–0 on clay. Most recently, Karin Knapp won the 2012 Bogotá Open round of 32 6-2 6-2.

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

Alexandra Dulgheru
Romania Age 37 Right-Handed 172 cm / 5'8"
H2H
0 – 1
1 main-draw meetings
Karin Knapp
Italy Age 39 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karin Knapp #157 6-2 6-2 Alexandra Dulgheru #53 Match data Feb 16, 2012* R32 Bogotá Open International → 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
Alexandra Dulgheru #958 #26 2,160 1,833 81 106 43.3% 0 0 0 2 0 2
Karin Knapp #971 #33 1,420 1,710 103 118 46.6% 0 0 0 0 2 2

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 Alexandra Dulgheru Karin Knapp
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 2006 3–4 42.9% #122 1,513 0 0
20 2009 6–5 54.5% #52 1,586 0 1 2007 14–14 50.0% #50 1,587 0 0
21 2010 33–25 56.9% #29 1,724 0 2 2008 11–14 44.0% #80 1,603 0 0
22 2011 14–21 40.0% #65 1,629 0 2 2009 3–6 33.3% #205 1,555 0 0
23 2012 1–7 12.5% #233 1,549 0 2 — — — — — — —
24 2013 4–8 33.3% #164 1,537 0 2 2011 0–3 0.0% #164 1,530 0 0
25 2014 5–6 45.5% #83 1,545 0 2 2012 7–7 50.0% #120 1,561 0 0
26 2015 10–17 37.0% #69 1,550 0 2 2013 20–15 57.1% #41 1,680 0 0
27 2016 3–9 25.0% #276 1,505 0 2 2014 18–24 42.9% #54 1,644 0 1
28 2017 2–1 66.7% #188 1,535 0 2 2015 22–20 52.4% #51 1,704 0 2
29 2018 3–4 42.9% #147 1,524 0 2 2016 5–10 33.3% #147 1,637 0 2
30 — — — — — — — 2017 0–1 0.0% #966 1,617 0 2
32 2021 0–3 0.0% #361 1,494 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 Alexandra Dulgheru Karin Knapp
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 2009 1 3 4 25.0% 5 2 7 71.4% — — — — — — — — 2007 3 5 8 37.5% 11 7 18 61.1% 0 2 2 0.0% — — — —
21 2010 9 14 23 39.1% 19 8 27 70.4% 5 2 7 71.4% 0 1 1 0.0% 2008 7 8 15 46.7% 4 5 9 44.4% — — — — 0 1 1 0.0%
22 2011 6 12 18 33.3% 6 7 13 46.2% 2 2 4 50.0% — — — — 2009 3 4 7 42.9% 0 2 2 0.0% — — — — — — — —
23 2012 1 5 6 16.7% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
24 2013 3 5 8 37.5% 1 3 4 25.0% — — — — — — — — 2011 0 2 2 0.0% 0 1 1 0.0% — — — — — — — —
25 2014 5 5 10 50.0% 0 1 1 0.0% — — — — — — — — 2012 1 2 3 33.3% 6 4 10 60.0% 0 1 1 0.0% — — — —
26 2015 5 10 15 33.3% 5 5 10 50.0% 0 2 2 0.0% — — — — 2013 6 6 12 50.0% 11 8 19 57.9% 3 1 4 75.0% — — — —
27 2016 3 5 8 37.5% 0 4 4 0.0% — — — — — — — — 2014 13 15 28 46.4% 4 7 11 36.4% 0 1 1 0.0% 1 1 2 50.0%
28 2017 — — — — 2 1 3 66.7% — — — — — — — — 2015 10 13 23 43.5% 12 4 16 75.0% 0 3 3 0.0% — — — —
29 2018 — — — — 2 3 5 40.0% 1 1 2 50.0% — — — — 2016 0 4 4 0.0% 5 5 10 50.0% 0 1 1 0.0% — — — —
30 — — — — — — — — — — — — — — — — — 2017 0 1 1 0.0% — — — — — — — — — — — —
32 2021 — — — — 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 33 59 92 35.9% 40 39 79 50.6% 8 7 15 53.3% 0 1 1 0.0% — 44 62 106 41.5% 55 45 100 55.0% 3 9 12 25.0% 1 2 3 33.3%

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 169/187 of Alexandra Dulgheru's and 191/221 of Karin Knapp'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 Alexandra Dulgheru Karin Knapp
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 2009 9/11 0.9 1.8 74.2% 58.4% 52.3% 48.2% 61.0% 56.5% 51.0% 2007 19/28 3.0 6.3 54.6% 65.6% 42.6% 50.6% 36.5% 55.0% 44.6%
21 2010 52/58 1.1 2.3 69.3% 58.1% 47.6% 48.6% 44.6% 55.2% 45.5% 2008 21/25 2.1 5.0 60.9% 60.3% 40.5% 48.7% 51.3% 52.6% 43.1%
22 2011 32/35 1.0 4.3 66.1% 58.2% 35.7% 49.8% 48.8% 50.3% 42.0% 2009 8/9 0.8 5.3 50.2% 59.7% 41.0% 49.3% 44.6% 49.7% 43.9%
23 2012 8/8 0.9 7.3 65.9% 61.1% 36.2% 53.4% 51.4% 52.6% 43.3% — —/— — — — — — — — — —
24 2013 11/12 1.8 5.0 66.8% 59.5% 45.1% 57.2% 46.3% 54.9% 42.9% 2011 3/3 1.0 10.7 59.1% 60.2% 39.8% 51.3% 49.7% 51.6% 41.5%
25 2014 9/11 0.3 4.0 71.0% 58.2% 44.0% 50.6% 42.3% 54.0% 45.9% 2012 14/14 1.6 6.0 59.3% 60.0% 40.5% 49.9% 43.5% 52.0% 44.1%
26 2015 23/27 0.7 4.2 72.7% 54.9% 44.6% 47.6% 47.4% 52.3% 40.3% 2013 29/35 2.9 5.0 56.6% 67.7% 43.8% 54.9% 50.9% 57.4% 46.7%
27 2016 12/12 1.0 4.8 68.3% 52.1% 34.9% 39.5% 38.4% 46.3% 40.1% 2014 39/42 3.6 4.7 57.7% 65.5% 43.2% 50.6% 51.2% 55.9% 41.9%
28 2017 3/3 0.0 0.7 84.4% 60.1% 59.9% 51.3% 55.4% 60.1% 46.8% 2015 41/42 2.5 4.2 64.1% 61.4% 48.0% 52.5% 49.5% 56.7% 43.8%
29 2018 7/7 0.3 2.9 74.9% 55.9% 45.9% 56.6% 42.0% 53.5% 43.3% 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%
32 2021 3/3 0.7 1.3 68.6% 43.2% 48.5% 30.6% 15.1% 45.8% 36.1% — —/— — — — — — — — — —
Career — 169/187 1.0 3.6 69.6% 57.2% 43.5% 49.0% 46.1% 53.0% 43.5% — 191/221 2.6 5.1 58.6% 63.4% 43.5% 51.0% 48.2% 55.0% 43.6%

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 Alexandra Dulgheru Karin Knapp
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 2009 1586 124.6 +1.18 +2.95 1.172 53.7% -62 +50 — 53.8% +0.35 2–2 (50%) 1–3 (25%) 99.7 -0.74 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
21 2010 1724 133.7 -0.52 +1.39 1.014 50.3% -160 +129 -10 54.0% +0.13 15–10 (60%) 10–6 (63%) 108.4 +0.38 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
22 2011 1629 117.0 -3.56 -1.29 0.846 46.4% -66 +121 +61 38.9% -1.07 4–2 (67%) 4–4 (50%) 103.8 +0.26 2009 1556 96.3 -3.79 -1.88 0.874 46.7% +5 — — 25.0% -1.75 — 1–1 — +1.05
23 2012 1549 114.1 -1.49 -0.61 0.914 48.1% -27 — — 29.4% -0.82 0–3 (0%) 1–2 (33%) — -0.32 — — — — — — — — — — — — — — — —
24 2013 1538 116.2 -0.73 -0.10 0.951 48.9% -16 +126 — 44.4% -0.59 1–4 (20%) 3–2 (60%) 97.4 -0.06 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 2014 1546 110.8 -1.32 +0.63 0.999 49.9% -1 — — 52.4% +0.24 2–1 (67%) 1–1 — +0.30 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 2015 1550 115.5 -3.47 -0.35 0.845 46.3% -8 +95 — 42.1% -0.95 5–4 (56%) 3–3 (50%) 101.9 -0.40 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
27 2016 1505 102.1 -5.07 -1.50 0.748 43.3% +31 +65 — 29.6% -2.08 1–2 (33%) 3–1 (75%) 100.7 -0.51 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 2017 1536 106.8 -0.11 +1.02 1.174 53.9% — +63 — 57.1% +1.28 1–0 — — +0.09 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 2018 1525 109.8 -1.98 -0.24 0.932 48.5% — +52 — 45.0% -0.80 3–3 (50%) 2–0 — -0.02 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 2019 1500 98.4 — — — — — — — — — — — — — 2017 1618 — -0.56 -4.07 0.802 44.4% — — — — — — — — +0.14
32 2021 1495 101.3 -3.01 -1.91 0.666 40.4% — +44 — 0.0% -3.75 — — — -0.25 — — — — — — — — — — — — — — — —
Career — 1834 124.6 -1.93 +0.16 0.926 48.3% -59 +101 +16 45.5% -0.50 34–31 (52%) 28–22 (56%) 108.8 -0.68 — 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

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.