INDIAN WELLS, CALIF.—After the storm comes the calm. The action slows down considerably at the BNP Paribas Open on Thursday, when everything of note is played in Stadium 1. Here’s a look ahead at what’s happening there.

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It’s unlikely at the start of the tournament that either of these two women had much confidence that they would still be around at this stage. Tsurenko, a 25-year-old Ukrainian ranked No. 85, upset an off-form Genie Bouchard in the last round. Jankovic, who turned 30 last month, had a 2-4 record coming to Indian Wells. The two have never faced each other, but Jankovic is a former No. 1 and past champion here, and that’s more than enough to make her the favorite. Winner: Jankovic

“Deliciano” is what Andy Murray’s mother, Judy, calls Lopez. And it’s true, Lopez is always a treat for her son to play. Murray is 9-0 against the Spaniard, and seven of those matches ended in straight sets. The Scot feasts on lefties in general, and Lopez is one who doesn’t have the pace to hurt him from the baseline. His best shot, his serve, also happens to curve right into one of Murray’s strengths, his two-handed backhand return. Winner: Murray

Popsockil made their collective name by upsetting the Bros in last year’s Wimbledon final. The Bryans, who have won at Indian Wells the last two years, usually end up with winning records against their opponents, but anything can happen if it goes to a third-set super-tiebreaker. Winner: Pospisil/Sock

These two perennial Top 30 players have been on tour together for nearly a decade, but somehow they haven’t faced each other until now. Pennetta, the defending champion and the woman who eliminated Maria Sharapova two nights ago, has been on a roll on these courts. Winner: Pennetta

Djokovic and Tomic are friends and sometime practice partners, but Novak has shown little mercy in their matches thus far. In three meetings, he’s lost just one set, at Wimbledon in 2011. That was a tricky one for Djokovic, and Tomic will likely throw off the Serb’s finely honed rhythm for some stretches in this match as well. It will be an interesting test for the Aussie: Now that he finally appears to be properly focused and has shown signs of fulfilling his promise, just how much promise does he have? Tomic can shovel the ball around the court and win a lot of matches, but with an 0-11 record against the Big 4, he has yet to show that it can work against the best. Winner: Djokovic​