Top 5 seeds have been falling at the All England Club, and the three in action on Sunday will receive stiff fourth-round tests.

As the defending champ prepares to face a fellow Serbian and the 2018 champ eyes a wide-open section, can Carlos Alcaraz dodge an upset bid from a tricky grass-courter?

Will the defending champions retain their titles or is another Slam surprise in store? Doubles Take looks at the year's third major.

Also lifting the trophy in Paris was Jean-Julian Rojer, who became the oldest men's doubles winner in the Open Era, partnering Marcelo Arévalo.

The American teenager is into her second major quarterfinal and her second in a row in Paris, winning the final eight games against her Belgian opposition.

Both defending champions have already proven they don’t need confidence-boosting wins or sustained momentum to conquer Paris. But in the meantime, a number of teams have established themselves as strong contenders during the clay season.

Top seeds have already fallen and the action is just getting underway in the California desert.

Both players are in fine form coming into this contest, each winning three matches at the Australian Open and looking solid in St. Petersburg so far—making it difficult to pick a winner.

The top seeds come into the tournament with question marks. Can they fight through a field with plenty of major champions in the mix?

Veterans, newcomers, veteran newcomers; the prestigious year-end event has it all and it's full of possibilities because of it.