Murray went through with a four-set win over Robert Kendrick - while Baltacha , who reached the third round in 2002, beat Ukraine's Alona Bondarenko in three sets in a late-night match.

BBC: Six Brits lose on disastrous day

If the match is tied after three sets, then a single-arrow shoot-off will determine the winner - the archer who shoots the arrow closest to the centre advances.

BBC: Sport - Archery - Guide to Archery

The scores of the final three sets -- 25-17, 25-20 and 25-17 -- made the match look closer than it was.

WSJ: Menu

Sharapova lost the first set 6-4 but then dropped only three games in taking the next two sets to earn a last eight match with Urszula Radwanska.

CNN: World No. 1 Safina crashes out in L.A.

Then came Rafael Nadal, who ended the 13-match winning streak of Ernests Gulbis yes, that's right, also in three sets.

WSJ: A Little Night Tennis, Anyone?