Tennis: US Open women's semi-finals head to heads

Head-to-head records for the US Open women's semi-finals on Friday (x denotes seeded player; year, tournament, round, surface, winner, score):

Serena Williams (USA x1) v Ekaterina Makarova (RUS x17)

Williams leads 3-1

2009 Beijing R32 Hard Williams 6-3 6-2

2012 Australian Open R16 Hard Makarova 6-2 6-3

2012 US Open R32 Hard Williams 6-4 6-0

2014 Dubai R16 Hard Williams 7-6 (10/8) 6-0

Peng Shuai (CHN) v Caroline Wozniacki (DEN x10)

Wozniacki leads 5-1

2007 Toronto R64 Hard Peng 6-0, 6-7 (7/9), 6-2

2008 Luxemburg R16 Hard Wozniacki 6-4, 6-4

2009 Charleston R16 Clay Wozniacki 6-3, 6-4

2011 Brussels F Clay Wozniacki 2-6, 6-3, 6-3

2013 Cincinnati R64 Hard Wozniakci 6-1, 6-1

2013 New Haven R32 Hard Wozniacki 2-6, 3-1 - retired

afp