
U.S. Open champion Andy Murray pulled out Tuesday because of a chronic back injury and will be replaced by a lucky loser.

Novak Djokovic was all but perfect in his second-round match Wednesday against Ryan Harrison, beating the 20-year-old American 6-1, 6-2, 6-3 to stay on track for his third consecutive Australian Open title and the fourth of his career.
After being sidelined with injuries for nearly six years, Brian Baker was finally back on the court with a second chance at a professional career.

Agnieszka Radwanska extended the best winning streak of the year to 11 matches as she rolled into the third round of the Australian Open with a 6-3, 6-3 win over Romania's Irina-Camelia Begu on Wednesday.
His heavily tattoed arms include one in Japanese that says, "Beauty Will Save the World."
After Brian Baker won his first match at the U.S. Open since 2005, he spoke to the crowd during an on-court interview, then slung a racket bag and black backpack over his shoulders and went over to sign autographs for fans shouting his name.

Brian Baker is living the type of comeback story that only happens in movies.

Magdalena Rybarikova arrived in Washington on Saturday for the 2012 Citi Open, the first trip to the U.S. capital for the Slovakian professional tennis player. Thanks to an upset on Day 1 of the tournament, she'll be extending her stay a little bit longer.
American Brian Baker's rapid climb in the rankings has earned him automatic entry into the U.S. Open.