Ivo Karlovic continues his comeback, Azarenka stays hot while Wozniacki plays Jankovic in Charleston.

Americans went 1-for-3 in the final round of qualifying play on Monday as American Donald Young lost to Ivo Karlovic in straights, Americna Rajeev Ram lost to Chile’s Paul Capdeville in three, American Alex Bogomolov Jr. lost to Croat Franco Skugor in three, and American Tim Smyczek gained the main draw after defeating Canadian Frank Dancevic in three sets.

Novak Djokovic opens play Friday in Miami.

Federer v. Djokovic in Dubai headline a great day of tennis.

Matches to look out for on a loaded Friday in Melbourne include (2) Roger Federer vs. Xavier “X-Man” Malisse, (19) Stan Wawrinka vs. (12) Gael “Force” Monfils, an all-Serb in (29) Viktor Troicki vs. (3) Novak Djokovic, (8) Andy Roddick vs. Dutchman Robin Haase, Kei “Special K” Nishikori vs. Fernando “Hot Sauce” Verdasco, (6) Tomas Berdych vs. (28) Richard Gasquet, and (14) Nicolas Almagro vs. (17) Ivan Ljubicic.

“Every time we played we go the distance, so hopefully we don’t play each other any more,” Federer joked. “It showed what a great mover, return player he is. I wasn’t playing poorly either to lose the third and fourth set, I really think Gilles took it to me, but you remain positive, I worked hard my entire life, I’m happy I won and I’m still in the tournament.”

Juan Ignacio Chela wins two titles this weekend while Juan Martin Del Potro returns in Bangkok.

Great matchups litter the Sunday US Open schedule.

Former champion James Blake (’02) was defeated in this first round in Washington.

While 2009 was an exciting year for tennis, and many players enjoyed their best seasons ever, some players did not play as well as they could have, due to injury, mental fatigue, or other, more unusual factors.