U.S. Open Tennis

The Sam Querrey-Stanislas Wawrinka match is just about to hit the four-hour mark.

Wawrinka is on serve and holds a 2-1 lead in the fifth set. The winner advances to the quarterfinals.

UPDATE (5:26): Querrey is serving, down 3-2 in the fifth set.

UPDATE (5:37): Querrey is serving, down 4-3 in the fifth set.

UPDATE (5:42): Querrey has tied it up. It's 4-4....

Sam Querrey, the last U.S. man left in the tournament, had seven set points and was finally able to take the fourth set, 6-4, against Stanislas Wawrinka in a fourth-round match at Arthur Ashe Stadium.

Querrey finished off the fourth set win with two aces.

It all comes down to the fifth set and a spot in the quarterfinals....

Sam Querrey continues to battle and has a 4-3 lead in the fourth set against Stanislas Wawrinka.

Wawrinka leads the fourth-round match, 7-6, 6-7, 7-5.

Both players are vying for their first appearances in a Grand Slam quarterfinal.

UPDATE (4:40): Querrey is now up 5-3. Wawrinka is serving to stay alive in the set.

UPDATE (4:52): Querrey can't close it. Wawrinka pulls...

Stanislas Wawrinka won the third set, 7-5, and is one set away from advancing to the quarterfinals of the U.S. Open.

Sam Querrey was up 3-1 in the third set and seemed to have momentum on his side.

Wawrinka won the first set 7-6, then Querrey rallied to win the second set, also 7-6.

What does Querrey have left? Can he tie it up again? Can the veteran Wawrinka break the will of...

Sam Querrey is competing now and playing with confidence.

With the crowd behind him, Querrey is now up 2-1 in the third set against Stanislas Wawrinka in a fourth-round match at Arthur Ashe Stadium.

Querrey rallied and took the second set 7-6 (7-5) after dropping the first set, also 7-6.

UPDATE (3:37): Querrey is now up 3-1 in the third set.

UPDATE (3:44): Wawrinka has...

Sam Querrey, who trailed 3-0 in the tiebreaker, reeled off six straight points and eventually held on to take the second set, 7-6 (7-5).

Querrey finished off the second set by ripping an ace past Stanislas Wawrinka.

Quite an entertaining match.

Wawrinka won the first set, 7-6. Although Querrey had his opportunities to win that set....

Sam Querrey, the 20th seed, may have known something when he said yesterday that not playing on Arthur Ashe Stadium could impact results.

Querrey, playing for the first time at Ashe, is trailing No. 25 seed Stanislas Wawrinka in a fourth-round match. Wawrinka is serving for the set, up 5-4. He won the first set in a lengthy tiebreaker, 7-6.

U.S men Mardy Fish and John...

Stanislas Wawrinka, the 25th seed, won the first set from 20th seed Sam Querrey, 7-6 in a fabulous start to what should be a great match.

Querrey, the last remaining U.S. player in the men's tournament, had opportunities to win the match in the tiebreaker, but couldn't convert.

The winner will play Mikhail Youzhny, the 12th seed, in the quarterfinals....

Mikhail Youzhny, the No. 12 seed, advanced to the quarterfinals by beating Tommy Robredo 7-5, 6-2, 4-6, 6-4 at Louis Armstrong Stadium.

Youzhny, who knocked out John Isner in the third round, will play the winner of the Sam Querrey-Stanislas Wawrinka match in the quarterfinals....

Unseeded Tommy Robredo took the third set from 12th seed Mikhail Youzhny, 6-4, in a third-round match at Louis Armstrong Stadium.

Youzhny, who knocked out John Isner in the third round, still leads after winning the first two sets, 7-5, 6-2....