Rafael Nadal who is aiming for a sixth Madrid Open title on Wednesday defeated Canadian Felix Auger Aliassime 6-3 6-3 in straight sets.
In his first clay court match in three years, Roger Federer breezed past France’s Richard Gasquet in the second round of Madrid Open.
Serena will play at the 2018 Mubadala Silicon Valley Classic, which will be held at the San Jose State University from July 30 to August 5.
Rohan Bopanna and Pablo Cuevas had lost 3-6, 2-6 to French-Canadian team of Fabrice Martin and Daniel Nestor in a one-sided first-round contest.