Here is the quarterfinal lineup for doubles at Wimbledon:
Black and Huber (1) vs. Llagostera Vives and Martinez Sanchez (11)
Williams and Williams (4) vs. Groenefeld and King (12)
Barrois and Garbin vs. Stosur and Stubbs (3)
Kleybanova and Makarova vs. Medina Garrigues and Ruano Pascual (2)
Groenefeld usually plays doubles with Patty Schnyder, but Schnyder is not playing doubles at this tournament, which seems rather odd.
The Williams sisters are the defending champions.