H2H data updated: 2026-11-01 00:00 UTC

Anna-Lena Groenefeld vs Tiantian Sun H2H: 2-0

Anna-Lena Groenefeld holds a 2–0 lead over Tiantian Sun in their WTA head-to-head. Across 2 main-draw meetings, Anna-Lena Groenefeld leads 2–0 on hard courts. Most recently, Anna-Lena Groenefeld won the 2005 Hyderabad quarterfinal 7-6(5) 6-3.

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Anna-Lena Groenefeld
GER Age 41 Right-Handed 180 cm / 5'11"
H2H
2 – 0
2 main-draw meetings
Tiantian Sun
CHN Right-Handed 175 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Anna-Lena Groenefeld #45 7-6(5) 6-3 Tiantian Sun #140 Match data Feb 12, 2005* QF Hyderabad Tier IV → modern equivalent WTA 250 Hard
Anna-Lena Groenefeld #149 6-4 6-7(4) 6-1 Tiantian Sun #176 Match data Sep 11, 2003* R32 Bali Tier III → modern equivalent WTA 250 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
Anna-Lena Groenefeld — #14 1,365 1,856 109 131 45.4% 0 0 0 0 1 1
Tiantian Sun — #77 395 1,649 27 54 33.3% 0 0 0 0 1 1

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.

Anna-Lena Groenefeld Tiantian Sun
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
2003 3–6 33.3% #118 1,515 0 0 2002 0–1 0.0% #231 1,493 0 0
2004 7–15 31.8% #68 1,478 0 0 2003 2–7 22.2% #129 1,451 0 0
2005 36–26 58.1% #21 1,790 0 0 2004 2–9 18.2% #126 1,429 0 0
2006 30–26 53.6% #19 1,656 0 1 2005 7–6 53.8% #105 1,520 0 0
2007 4–15 21.1% #204 1,521 0 1 2006 12–12 50.0% #81 1,628 0 1
2008 7–7 50.0% #76 1,593 0 1 2007 3–15 16.7% #230 1,505 0 1
2009 18–23 43.9% #65 1,655 0 1 2008 1–4 20.0% #281 1,493 0 1
2010 4–11 26.7% #166 1,563 0 1 — — — — — — —
2011 0–2 0.0% #266 1,542 0 1 — — — — — — —

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Anna-Lena Groenefeld Tiantian Sun
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 %
2003 1 3 4 25.0% 1 2 3 33.3% — — — — 1 1 2 50.0% 2002 0 1 1 0.0% — — — — — — — — — — — —
2004 3 9 12 25.0% 4 5 9 44.4% 0 1 1 0.0% — — — — 2003 2 7 9 22.2% — — — — — — — — — — — —
2005 27 16 43 62.8% 7 6 13 53.8% 1 3 4 25.0% 1 1 2 50.0% 2004 0 6 6 0.0% 1 2 3 33.3% 1 1 2 50.0% — — — —
2006 10 16 26 38.5% 18 6 24 75.0% 2 2 4 50.0% 0 2 2 0.0% 2005 7 6 13 53.8% — — — — — — — — — — — —
2007 2 7 9 22.2% 2 6 8 25.0% 0 2 2 0.0% — — — — 2006 10 10 20 50.0% 1 1 2 50.0% 1 1 2 50.0% — — — —
2008 4 5 9 44.4% 3 2 5 60.0% — — — — — — — — 2007 3 8 11 27.3% 0 5 5 0.0% 0 2 2 0.0% — — — —
2009 8 13 21 38.1% 10 8 18 55.6% 0 2 2 0.0% — — — — 2008 0 3 3 0.0% 1 1 2 50.0% — — — — — — — —
2010 3 7 10 30.0% 1 3 4 25.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
2011 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career 58 77 135 43.0% 46 39 85 54.1% 3 11 14 21.4% 2 4 6 33.3% Career 22 41 63 34.9% 3 9 12 25.0% 2 4 6 33.3% — — — —

Performance Progression by Career Season

Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 140/231 of Anna-Lena Groenefeld's and 28/56 of Tiantian Sun'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.

Anna-Lena Groenefeld Tiantian Sun
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%
2004 3/22 2.3 3.3 58.5% 65.7% 58.7% 42.9% 40.3% 62.7% 48.0% 2003 1/9 1.0 4.0 59.4% 60.5% 30.8% 28.6% 28.6% 48.4% 40.0%
2005 13/62 3.9 4.3 56.2% 70.4% 51.6% 58.5% 40.0% 62.2% 45.3% 2006 9/24 1.1 1.2 67.2% 58.1% 44.5% 53.0% 49.3% 53.8% 37.5%
2006 40/56 3.2 5.1 58.9% 65.4% 45.4% 57.8% 44.8% 57.3% 42.9% 2007 14/18 1.6 2.1 65.0% 55.8% 43.0% 44.6% 35.3% 51.3% 40.4%
2007 16/19 4.6 8.0 52.4% 67.4% 39.9% 52.8% 43.4% 54.0% 38.2% 2008 4/5 1.5 3.0 65.6% 55.4% 41.8% 51.8% 30.6% 51.0% 36.8%
2008 13/14 5.1 5.3 47.4% 75.3% 47.4% 51.1% 46.9% 61.2% 41.4% — —/— — — — — — — — — —
2009 39/41 3.6 5.4 58.2% 64.9% 46.1% 54.3% 54.9% 56.5% 41.2% — —/— — — — — — — — — —
2010 14/15 2.8 7.0 55.0% 63.7% 38.6% 47.6% 48.2% 52.7% 40.9% — —/— — — — — — — — — —
2011 2/2 1.5 4.0 52.6% 62.6% 38.3% 55.8% 25.0% 51.3% 27.9% — —/— — — — — — — — — —
Career 140/240 3.6 5.6 56.1% 66.7% 45.2% 54.3% 47.2% 57.1% 41.7% Career 28/81 1.4 2.0 65.6% 56.6% 42.8% 47.6% 38.6% 52.0% 38.9%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Anna-Lena Groenefeld Tiantian Sun
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
2003 1516 115.9 — — — — +21 +1 — 38.1% -0.48 1–2 (33%) 0–3 (0%) — -0.25 2002 1493 101.5 — — — — — — — 33.3% -2.00 0–1 — — -0.19
2004 1478 112.5 +1.14 +0.30 1.285 54.6% +4 +58 — 34.1% -0.61 1–1 0–2 — +0.25 2003 1451 101.0 -0.20 -1.27 0.776 43.9% +17 — — 22.2% -1.67 0–2 1–2 (33%) — +0.54
2005 1790 139.1 +3.94 +1.05 1.197 53.3% -4 -165 -292 57.8% +0.52 8–4 (67%) 4–3 (57%) 105.9 +1.73 2004 1430 103.5 — — — — -34 +118 — 24.0% -1.68 1–2 (33%) 1–1 — -0.02
2006 1656 132.8 +1.54 -0.91 1.005 50.2% -69 +191 -102 52.7% +0.15 10–9 (53%) 6–7 (46%) 98.7 +2.20 2005 1520 124.6 — — — — -19 — — 57.7% +0.69 1–1 3–1 (75%) — +0.62
2007 1522 109.9 -1.54 -3.57 0.830 46.3% 0 +226 — 26.2% -1.21 1–3 (25%) 1–5 (17%) 93.7 +0.52 2006 1629 131.4 -1.14 -2.98 0.811 45.8% -16 — — 52.7% -0.04 2–5 (29%) — — -0.16
2008 1594 128.7 +2.89 -1.21 1.066 50.8% -23 +139 — 51.7% +0.03 0–1 — — -1.00 2007 1505 100.0 -2.48 -2.77 0.830 45.9% +48 -22 — 20.5% -2.13 1–2 (33%) 4–1 (80%) 101.6 -1.08
2009 1655 129.0 +0.58 -2.14 0.947 48.9% -60 +88 — 46.3% -0.34 5–12 (29%) 4–6 (40%) 92.9 -1.97 2008 1493 101.5 -1.21 -2.08 0.750 43.9% +31 — — 30.8% -1.62 1–2 (33%) 2–3 (40%) 98.6 +0.03
2010 1563 104.7 -2.32 -1.60 0.865 46.9% -2 +101 — 37.8% -1.51 1–6 (14%) 3–0 (100%) 97.3 -0.12 — — — — — — — — — — — — — — — —
2011 1543 96.7 -0.53 -1.59 0.574 41.1% — — — 0.0% -3.75 — — — -0.26 — — — — — — — — — — — — — — — —
Career 1857 131.6 +0.84 -1.46 0.971 49.4% -24 +89 -197 47.1% -0.20 27–38 (42%) 18–26 (41%) 91.9 +0.46 Career 1650 117.9 -1.79 -2.69 0.810 45.5% 0 +31 — 37.4% -0.93 6–15 (29%) 11–8 (58%) 98.3 -0.32

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.