H2H data updated: 2026-09-08 00:00 UTC

Sebastien De Chaunac vs Izak Van der Merwe H2H: 1-0

Sebastien De Chaunac holds a 1–0 lead over Izak Van der Merwe in their ATP head-to-head. Across 1 main-draw meeting, Sebastien De Chaunac leads 1–0 on hard courts. Most recently, Sebastien De Chaunac won the 2009 Johannesburg round of 16 6-7(3) 7-5 7-6(5).

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Sebastien De Chaunac
FRA Age 48 Right-Handed 183 cm / 6'0"
H2H
1 – 0
1 main-draw meetings
Izak Van der Merwe
RSA Age 42 Right-Handed 196 cm / 6'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sebastien De Chaunac #225 6-7(3) 7-5 7-6(5) Izak Van der Merwe #286 Match data Feb 6, 2009* R16 Johannesburg ATP 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
Sebastien De Chaunac #952 #130 428 1,657 11 22 33.3% 0 0 0 0 0 0
Izak Van der Merwe #1,965 #113 507 1,583 7 7 50.0% 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 Sebastien De Chaunac Izak Van der Merwe
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
23 2001 0–1 0.0% #186 1,529 0 0 — — — — — — —
24 2002 1–2 33.3% #206 1,522 0 0 2008 0–1 0.0% #304 1,516 0 0
25 — — — — — — — 2009 1–1 50.0% #272 1,517 0 0
26 2004 3–5 37.5% #220 1,524 0 0 2010 1–1 50.0% #174 1,522 0 0
27 2005 2–5 28.6% #236 1,493 0 0 2011 3–1 75.0% #113 1,503 0 0
28 2006 0–1 0.0% #601 1,472 0 0 2012 2–3 40.0% #214 1,564 0 0
29 2007 0–1 0.0% #377 1,506 0 0 — — — — — — —
30 2008 0–2 0.0% #245 1,514 0 0 — — — — — — —
31 2009 5–5 50.0% #140 1,613 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 Sebastien De Chaunac Izak Van der Merwe
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 %
23 2001 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
24 2002 — — — — 1 2 3 33.3% — — — — — — — — 2008 — — — — — — — — 0 1 1 0.0% — — — —
25 — — — — — — — — — — — — — — — — — 2009 1 1 2 50.0% — — — — — — — — — — — —
26 2004 3 4 7 42.9% 0 1 1 0.0% — — — — — — — — 2010 1 1 2 50.0% — — — — — — — — — — — —
27 2005 2 5 7 28.6% — — — — — — — — — — — — 2011 3 1 4 75.0% — — — — — — — — — — — —
28 2006 0 1 1 0.0% — — — — — — — — — — — — 2012 0 2 2 0.0% — — — — 2 1 3 66.7% — — — —
29 2007 — — — — — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
30 2008 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
31 2009 5 5 10 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 10 18 28 35.7% 1 3 4 25.0% — — — — 0 1 1 0.0% — 5 5 10 50.0% — — — — 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 28/29 of Sebastien De Chaunac's and 14/14 of Izak Van der Merwe'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 Sebastien De Chaunac Izak Van der Merwe
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%
24 — —/— — — — — — — — — — 2008 1/1 7.0 2.0 59.0% 65.2% 37.5% 30.0% 28.6% 53.8% 37.3%
25 — —/— — — — — — — — — — 2009 2/2 12.0 4.5 58.1% 79.5% 54.5% 35.0% 61.1% 69.3% 34.3%
26 2004 8/8 5.1 5.6 56.2% 66.9% 47.9% 46.2% 33.3% 58.5% 31.5% 2010 2/2 8.0 2.5 54.3% 77.4% 58.6% 33.3% 16.7% 68.0% 34.6%
27 2005 6/7 6.2 3.3 55.3% 69.7% 49.7% 62.5% 42.6% 60.9% 35.4% 2011 4/4 6.3 7.5 52.9% 74.8% 50.5% 75.6% 34.0% 63.2% 37.8%
28 2006 1/1 2.0 0.0 59.7% 65.0% 51.9% 70.0% 0.0% 59.7% 25.0% 2012 5/5 5.2 3.2 56.1% 74.2% 54.5% 59.0% 19.1% 65.6% 30.0%
29 2007 1/1 7.0 2.0 60.7% 74.3% 47.9% 63.6% 30.0% 63.9% 32.2% — —/— — — — — — — — — —
30 2008 2/2 6.0 1.0 56.3% 65.9% 48.5% 27.8% 66.7% 58.1% 26.9% — —/— — — — — — — — — —
31 2009 10/10 7.0 4.5 51.0% 74.7% 48.0% 59.3% 32.2% 61.5% 33.8% — —/— — — — — — — — — —
Career — 28/33 6.0 4.1 54.5% 70.4% 48.5% 54.5% 36.0% 60.3% 32.6% — 14/14 7.0 4.4 55.4% 74.9% 52.7% 54.6% 29.7% 65.0% 34.0%

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 Sebastien De Chaunac Izak Van der Merwe
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
22 2000 1501 101.0 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
23 2001 1529 100.3 — — — — — — — 0.0% -3.33 — — — -0.16 — — — — — — — — — — — — — — — —
24 2002 1522 107.8 — — — — — +7 — 36.4% -1.18 1–1 1–1 — -0.05 2008 1517 101.3 -0.69 -3.86 0.807 44.4% — — — 0.0% -3.33 — — — +0.15
25 2003 1494 103.2 — — — — — — — — — — — — — 2009 1518 108.3 -1.42 +0.01 1.117 51.2% — — — 60.0% 0.00 0–1 3–1 (75%) — +0.22
26 2004 1525 112.4 -2.44 -1.09 0.759 45.9% +87 — — 31.6% -1.26 2–2 (50%) 1–2 (33%) — -0.13 2010 1523 102.0 +0.43 -2.83 1.083 49.2% — — — 50.0% -1.00 — 2–1 (67%) — +0.40
27 2005 1493 107.9 -1.10 -0.18 0.905 48.4% +56 — — 28.6% -0.64 0–2 0–4 (0%) — -0.12 2011 1503 100.3 -0.75 -0.32 1.028 51.7% +12 — — 66.7% +1.00 1–0 1–0 — +0.83
28 2006 1472 99.4 +1.35 -1.93 0.620 44.5% — — — 0.0% -2.50 — — — -0.10 2012 1564 106.2 -1.25 -1.30 0.872 47.6% — — +163 36.4% -0.82 1–0 1–2 (33%) — +0.40
29 2007 1507 103.5 +3.84 +0.85 0.893 48.3% — — — 33.3% -1.00 0–1 1–1 — -0.19 2013 1521 96.8 — — — — — — — — — — — — —
30 2008 1514 114.1 -0.58 -2.29 0.641 43.1% — — — 20.0% -2.20 0–1 1–0 — -0.13 — — — — — — — — — — — — — — — —
31 2009 1614 118.1 -2.48 -0.79 0.878 48.2% +39 — — 46.4% -0.64 3–2 (60%) 4–3 (57%) 102.6 +0.41 — — — — — — — — — — — — — — — —
32 2010 1544 99.2 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1657 114.1 -1.67 -0.83 0.821 47.1% +58 +7 — 34.1% -1.09 6–9 (40%) 8–11 (42%) 98.9 -1.47 — 1584 104.1 -0.85 -1.23 0.971 49.3% +12 — +163 46.9% -0.44 2–1 (67%) 7–4 (64%) 105.5 +14.29

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.