Career 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 Too close to call — 7–6 on categories Zheng wins on first serve in %. Petrova’s case rests on first-serve points won %. WTA Tour 2013: Zheng 34 matches, Petrova 22 matches.
Zheng has the better first serve in %: 70.9 to Petrova’s 59.6. Petrova has the better first-serve points won %: 67.4 to Zheng’s 57.3. Petrova averages 6.3 aces a match to Zheng’s 0.4 — 15.3 times as many. Zheng ranks 3rd of 87 in WTA Tour 2013 for first serve in %. Winners’ edge: Zheng’s team won 50%, Petrova’s team won 41% of the matches they played. Longevity: Zheng has 34 matches, Petrova 22 — the averages matter more than the totals here. Tale of the tape Per game, with league rank among regular players.
70.9 ★ #3 of 87 First serve in % 59.6
57.3 #80 of 87 First-serve points won % 67.4
48.2 #78 of 87 Break points saved % 53.2
44.9 #37 of 87 Return points won % 44.3
0.4 14 total · best 2 #85 of 87 Acesper game 6.3 138 total · best 16
10.4 352 total · best 18 #64 of 89 Games wonper game 11.2
Head to head 1 11 matches since 2004 10
Hard · 7 matches Zheng 1 Petrova 6 Clay · 3 matches Zheng 0 Petrova 3 Grass · 1 match Zheng 0 Petrova 1 Grand Slams · 2 matches Zheng 0 Petrova 2 Last meetings 18 Mar 2013 · Miami · Round of 64 · Hard Petrova won 6-3 6-1 29 Oct 2012 · Tournament of Champions · Round robin · Hard Petrova won 6-3 6-3 30 July 2012 · Olympics · Round of 64 · Grass Petrova won 6-4 7-6(7) 31 Aug 2009 · US Open · Round of 32 · Hard Petrova won 6-4 6-1 27 Apr 2009 · Stuttgart · Round of 32 · Clay Petrova won 6-4 5-7 6-4 24 Mar 2008 · Miami · Round of 64 · Hard Zheng won 2-1 2 Apr 2007 · Amelia Island · Round of 16 · Clay Petrova won Last 10 games First serve in %, oldest to newest in 2013.
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