Serena beats older sister Venus with two tiebreakers to reach semifinals

Serena pumped a fist and yelled -- exactly the way she would against any other opponent.

Venus wasted three set points when she served for the second set at 5-3, 40-love, and a fourth when Serena served while down 6-5.

Then came the second tiebreaker, which featured the point of the match. Serena tried a forehand passing shot but Venus stretched and put a volley into a corner. Serena got to that and flicked up a lob that wasn't good enough to get over the 6-foot-1 Venus, who pounded an overhead smash. Now the point was over, right? Nope. Serena got to that, too, stretching the exchange until Venus finally put away a volley to go ahead 5-2.

Take that, little sis!

Fans rose for a standing ovation.

Serena was left gasping for air.

Soon after, Venus was ahead 6-3.

But Serena won six of the last seven points.

"I can't say I was disappointed," Serena said. "You want the best for her, but in that situation you want to win, too."