WIMBLEDON – The day hadn't even officially begun when it was announced that American Madison Keys, who was struggling with a left thigh injury late Saturday night during her third-round match against Yaroslava Shvedova of Kazakhstan, wasn't going to make the opening bell on Court 12 at 11:30 a.m.
Keys had her left thigh heavily wrapped in that one, which was at 5-6 in the second set (Shvedova won the first in a tiebreaker) when Keys called for a medical timeout to treat the thigh. It was 9:24 p.m. at that point, and there already was precious little daylight left to play with.
She was in tears as she lay on the court. They played one more game, the match was then called because of the failing light, and Keys was either going to benefit greatly from the 36-hour reprieve through the middle Sunday or she was going to suffer. It turned out to be the latter, a muscle strain in the adductor that the medical staff warned her could get a lot worse if she played.
It's going to cloud up through the day, but the risk of the wet stuff Monday is very low. Tuesday's forecast is even better. And so is the rest of the week. They're not expecting much liquid stuff until Friday although at this point, the weekend is up for grabs.
Matches to watch
This is by far the match with the most potential, among the limited round-of-16 matches being played today because of the delays on Saturday.
Djokovic is 12-5 against Tsonga, having won the last nine encounters that didn't involve a walkover or a retirement. They've met twice on the Wimbledon lawns, in the semifinals in 2011 and at the Olympics two years ago. Djokovic will probably win, but certainly it's time for Tsonga to step up and perform against a top-10 player, something he hasn't been doing much of lately. It's a big stage, and he's a big-stage kind of guy.
 Ana Ivanovic vs.  Sabine Lisicki
This one was interrupted by darkness at 1-1 in the second Saturday night, after Lisicki took the first set 6-4. It's still a high-level matchup for a third-rounder, and there could be plenty of good stuff in it before they're done. It resumes at 1 p.m. on Court 1.
 John Isner vs.  Feliciano Lopez
With the withdrawal of Keys, Isner is the only American left in the singles, male or female. He'll have to get to the net before Lopez does. And that could be a compelling race to watch.
Lopez has had a super grass-court season. He lost a tough, tough one in the final of Queen's to Grigor Dimitrov (three tiebreakers). Then he defeated Richard Gasquet 7-5 in the third set to win Eastbourne. At 32, this is his 13th Wimbledon. He didn't lose a set in his first two matches, and four of the six sets were tiebreaks. That's good experience for a match against Isner, which can often end up in a tiebreak on any surface.