LOS ANGELES, CA, USA – Maria Sharapova and friends lit up Centre Court at the UCLA Tennis Center on Day 1 of aptly-named exhibition event Maria Sharapova & Friends, presented by Porsche.

The highlight of the day was the hostess herself, Sharapova, taking on American rising star Madison Keys – and the five-time Grand Slam champion and former World No.1 squeaked by, 6-7, 6-1, 11-9.

Sharapova spoke about how excited she was about the new exhibition event. “I’ve been coming here to practice for so many years and felt part of the community here,” she explained. “I wanted to give the tennis fans in Los Angeles something back and support professional tennis in the United States.”

Elsewhere, Mardy Fish outlasted Andy Roddick in a men’s singles match, 7-6, 4-6, 12-10, Keys and Fish beat Roddick and Laura Robson in mixed doubles, 6-4, and, in a celebrity mixed doubles match, the all-female team of Sharapova and Chelsea Handler outdid all-male team Roddick and Will Arnett.

And that’s not all – Sunday’s schedule sees Sloane Stephens face Shelby Rogers, Kei Nishikori play Jack Sock, Sharapova and Nishikori play Robson and Sock, and Sharapova and Handler play another celebrity mixed doubles match. Find out where you can watch it all live on the Tennis Channel.

A part of the proceeds from the weekend will go to the Maria Sharapova Foundation – read more here.

And here are some of the best photos from Maria Sharapova & Friends, all courtesy of Porsche: