“I tried to be ready for Indian Wells but my ankle wasn’t ready, so I had to wait another few weeks,” Na said. “I really wanted to be 100 percent ready to come back to the court, because otherwise it would be dangerous. I’ve been really looking forward to coming back. I feel like I had another off-season just now.”

The U.S. may not have any men in the Top 20 next week in the ATP Rankings, and that would be a first!

Rafael Nadal looked good, not great, in his hardcourt debut while the American youngsters crashed out.

Rafael Nadal makes his return to hardcourts Saturday at Indian Wells while Roger Federer opens his title defense.

“There are some few adjustments that I need to make and get a little bit sharper on the court,” said Djokovic, who will next face American Ryan Harrison. “But it’s expected in the first match you’re still not a 100 percent on the court.”

American women continue their surge during week two of the tennis season, while Bernard Tomic wins and Grigor Dimitrov falls.

James Blake earned his first win of the season putting away 20-year-old Ryan Harrison last night in Atlanta.

Notes: Of course Isner could meet Mahut in the second round; players looking to get additional grasscourt practice in for the Olympics in London at Wimbledon; first-rounders of interest are (5) Bogomolov Jr. vs. Querrey, and (WC) Hewitt vs. Canadian riser Vasek “Popsicle” Pospisil; other wildcards went to Americans Jack Sock and Harrison; Isner (2011) is the lone returning champ in the field.

The 126th edition of The Championships at Wimbledon kicks off Monday with a slew of interesting match-ups, including three former No. 1s who are unseeded, Kim Clijsters’ last Wimbledon, and world No. 1s Novak Djokovic and Maria Sharapova in action.

Novak Djokovic begins his quest for a Djoker Slam.