In quarterfinal action today in Beijing, James Blake (6-4 7-6(2)) shocked the world by defeating Roger Federer and himself to advance to the Olympic Men's semifinals. Blake committed 56 unforced errors, but still managed to emerge victorious. Blake moves on to face the winner of the Mathieu/Gonzalez match scheduled for later today.

Still on tap for the Men today:

Paul-Henri mathieu (FRA) vs. Fernando Gonzalez (CHI) (as mentioned a mere 2 sentences earlier)

Novak Djokovic (SRB) vs. Gael Monfils (FRA)

Jurgen Melzer (AUT) vs. Rafael Nadal (ESP)

B. Bryan/ M. Bryan (USA) vs. Hewitt/Guccione (AUS)

Blake, The Bryans and Venus stand as the lone remaining Americans after Serena's defeat at the hands of Elena Dementieva in the women's quarterfinals.Speaking of Venus, she's in the middle of a real battle with Na Li of China right now. It's 5-4 Venus on the first set. Venus has double-faulted 8, count 'em 8 times.

What's happening in DC,you say? Well, since you asked...

Tommy Haas advanced to the quarterfinals with a stright sets victory over Nicolas Mahut. Next up for Haas is Alejandro Falla, who fefeated Florent Serra 7-6(2) 7-6(11).

In a battle of young, American stars, John Isner towered (because he's tall) over Donald Young 6-4 7-6(4). Isner will meet 2nd-seeded Juan Martin Del Potro, who's on a gravy train with biscuit wheels as he rides a 16 match win streak in the quarters with a win over Dudi Sela in straight sets.

On deck for today..

Andy Roddick Vs. Eduardo Schwank

Robert Kendrick vs. S. Devvarman

Igor Kunitsyn vs. Fabio Fognini

V. Troicki vs. Bobby Reynolds