Maria Sharapova RUS (4) vs. Elena Dementieva RUS (7) . When the Russians play each other there is always extra tension. Sharapova's game is well-suited to the grass. Although Dementieva's serve has improved her two great strengths: mental toughness/fighting spirit and powerful ground strokes are matched, if not surpassed by Sharapova. PREDICTION: Sharapova in 3 sets.
Kim Clijsters BEL (2) vs. Nicole Vaidisova CZE (10) . Vaidisova just made her breakthrough in her French Open quarterfinal win over Venus last month outhitting the current Wimbledon champion in 3 sets. Can she beat the current US Open champion in her second Grand slam quarterfinal? That would be quite surprising. PREDICTION: Clijsters in 3 sets.