Can Caroline Wozniacki upset Karolina Pliskova and reach the Miami Open final (live on ESPN2 & the ESPN App)? Later, Roger Federer, Nick Kyrgios and Venus Williams will be in action.
Venus Williams beat top-ranked Angelique Kerber on Wednesday night for her first win against a No. 1 player since 2014.
- Venus beats No. 1 Kerber, into Miami semis
- ITF plans major shake-up, to cut to 1,500 pros
- Nadal, unseeded Fognini to meet in Miami semis
- Konta surges into Miami Open semifinals
The ITF plans to reduce the number of pros competing from 14,000 to 1,500 -- 750 men and 750 women -- to ensure more players can make a living and to prevent corruption.
Rafael Nadal advanced to the Miami Open semifinals on Wednesday by beating Jack Sock 6-2, 6-3, and Fabio Fognini became the first unseeded player in 10 years to reach the men's semifinal round.
British No. 1 Johanna Konta fought back from a set down to beat Simona Halep 3-6, 7-6 (7), 6-2 and reach the Miami Open semifinals.
A Pennsylvania panel once again rejected a historical marker for Philadelphia tennis great Bill Tilden.
Longtime Virginia men's tennis coach Brian Boland is leaving after this season to take a player development role with the USTA in Florida.
Caroline Wozniacki and Karolina Pliskova reached the semifinals at the Miami Open after securing two-set victories on Tuesday.
Venus Williams stunned world No. 1 Angelique Kerber at the Miami Open, but that victory was secondary to playing with her dad by her side.
They have the two most fearful forehands in the game, but Wednesday at the Miami Open, it was Rafael Nadal who showed Jack Sock that other parts of the game matter, too.
Rafael Nadal will not play in the Davis Cup quarterfinals when Spain faces Serbia next week in Belgrade.
Yes, Roger Federer owns a lethal serve and forehand, but there are a few essential subtleties in his game that have kept him going this strong at this point in his career.
Who said there's nothing new under the sun when it comes to Roger Federer and Rafael Nadal? Just look at what they're doing at the Miami Open.
What an afternoon it's going to be at the Miami Open. Rafael Nadal is taking on Nicolas Mahut (live on ESPN3 & the ESPN App), and Roger Federer takes the court immediately afterward.
Anytime Roger Federer steps on the court, it's a memorable occasion, but there was something special about Monday's match against Juan Martin del Potro.
Within a week, Bethanie Mattek-Sands celebrated her birthday, won at the Miami Open to advance to the Round of 16 and almost tied the record for fastest serve in the WTA.
Brilliant as he's played, not only this season but also throughout his career, Roger Federer has never fared well in Miami. The question is -- why?
Without Serena Williams standing in the way at the Miami Open, who will step up and make a winning run? Perhaps Angelique Kerber?
With their two main rivals sidelined, Roger Federer and Rafael Nadal could very well end up staring each other down in the final of the Miami Open.
Victoria Azarenka has been absent from the WTA Tour for almost a year because of her pregnancy and birth of her son, but it seems like her return is imminent.
Why stop now, Roger Federer? Liberated and dominant, the Indian Wells champ looks like he can keep up this level for as long as he wants.
Elena Vesnina won her third career singles title at Indian Wells on Sunday, but she didn't get to hold on to her trophy for long -- thanks to Roger Federer.
It's impossible to overstate the magnitude Indian Wells champion Roger Federer has accomplished this season because there's absolutely no precedent.
With a big assist from Nick Kyrgios, Roger Federer escaped his Indian Wells draw without so much a scratch (live on ESPN & ESPN App: Wawrinka-Carreno Busta, Federer-Sock).
Remember when Roger Federer's backhand led to frustration and ultimately failure against Rafael Nadal? Things couldn't be more different today.
Nick Kyrgios is finding productive ways to face the relentless pressures he faces in the sport of tennis, and that was more than obvious in a telling win against Novak Djokovic at Indian Wells.
Roger Federer and Rafael Nadal revived their rivalry in the Australian Open final, and meet again in the last 16 at Indian Wells. Check out their top 5 tussles.
More than anything, Billie Jean King wanted equality in pay, treatment and respect. Her World Team Tennis vision went a long way in accomplishing just that.
Yes, Serena Williams' and Maria Sharapova's earnings are often compared. But Sharapova is not here for that.
Venus Williams has been a trailblazer on and off the tennis court, so it's only fitting she would be celebrating Women's History Month and working with Brawny on a #StrengthHasNoGender campaign.
Well, it looks like the Indian Wells women's field isn't going to have the star power we had hoped, especially now that there won't be an appearance from Serena Williams.
At the end of the day, how important are the Indian Wells and Miami events if you're Serena Williams, and you've accomplished everything conceivable on the tennis court?
Grip it, rip it, repeat. Sam Querrey's plan in a stunning victory against Rafael Nadal to win the title in Mexico was as effective as it was simple.
Nick Kyrgios is the latest player to show Novak Djokovic, once the most dominant player in the game, how human he has become.
They haven't been perfect, not by any stretch, but here's why each member of the Big Four should be confident heading into Indian Wells.
We certainly never thought Roger Federer would lose to a qualifier in Dubai, but he did. And it's likely not the last time this season he or his Big Four brethren will suffer similar setbacks.
Karolina Pliskova saves set points to win the first set 7-5 over Caroline Wozniacki. This Miami Open semifinal is live on ESPN2 now.
Miami Open on ESPN2 this afternoon: Women's semifinals, 1 pm ET - Wozniacki v Ka. Pliskova Men's quarterfinals, 3 pm ET - Federer v Berdych