Updated: Feb. 26, 2020 at 4:17 PM

Moments from Maria Sharapova's tennis career(23 images)

Maria Sharapova, who was once the No. 1 tennis player in the world, announced her retirement from the sport on Wednesday. The 32-year-old Russian was a five-time Grand Slam champion. She started playing tennis at age 4. Here's a look back at her career.

Maria Sharapova serves at the Arthur Ashe Kids' Day tennis festival at USTA National Tennis Center Grounds in Queens, N.Y., on August 23, 2003. Photo by Laura Cavanaugh/UPI | License Photo

Sharapova serves to Jelena Jankovic at the U.S. Open in Flushing, N.Y., in 2004. Photo by John Angelillo/UPI . | License Photo

Sharapova celebrates a victory over former world No. 1 Justine Henin-Hardenne to advance to the semi-finals of the WTA tournament at Key Biscayne, Fla., in 2005. She was ranked No. 1 in the world that year. Photo by Susan Knowles/UPI | License Photo

Sharapova falls to the ground after match point during her straight sets finals victory over Henin-Hardenne at the U.S. Open in 2006. She was the highest-paid female athlete in the world for more than a decade. Photo by John Angelillo/UPI | License Photo

Sharapova waves to fans after defeating Roberta Vinci at the U.S. Open in 2007. Photo by John Angelillo/UPI | License Photo

Sharapova loses to Agnieszka Radwanska of Poland during the U.S. Open in 2007. Photo by Laura Cavanaugh/UPI | License Photo

Sharapova talks to the press after winning a match with Israel's Shahar Peer in the Fed Cup World Group quarter-finals in Ramat HaSharon, Israel in 2008. Photo by Debbie Hill/UPI | License Photo

Sharapova reacts after losing a point in her defeat to Caroline Wozniacki of Denmark at the U.S. Open in 2010. Photo by John Angelillo/UPI | License Photo

Sharapova reacts after winning her French Open women's quarterfinal match against German Andrea Petkovic at Roland Garros in Paris in 2011. Photo by David Silpa/UPI | License Photo

Sharapova defeated Serbia's Bojana Jovanovski in Rogers Cup singles action at the Rexall Center in Toronto in 2011. Photo by Christine Chew/UPI | License Photo

Sharapova signs autographs at the French Open in 2012. Photo by David Silpa/UPI | License Photo

Sharapova holds the championship trophy after winning her first French Open women's final match against Italian Sara Errani in 2012. Photo by David Silpa/UPI | License Photo

Sharapova serves Taipei's Su-Wei Hsieh on the fifth day of the 2012 Wimbledon championships in London. Photo by Hugo Philpott/UPI | License Photo

Sharapova hits a forehand against Mallory Burdette in Arthur Ashe Stadium at the Billie Jean King National Tennis Center in New York City in 2012. Photo by John Angelillo/UPI | License Photo

Sharapova returns the ball to Victoria Azarenka in a semi-finals match at the U.S. Open in 2012. Photo by Monika Graff/UPI | License Photo

Sharapova's cross necklace is seen after her French Open women's quarterfinal match in 2013. Photo by David Silpa/UPI | License Photo

Sharapova carries the Olympic torch into Fisht Stadium during the Opening Ceremony for the Sochi 2014 Winter Olympics on February 7, 2014 in Sochi, Russia. Photo by Kevin Dietsch/UPI | License Photo

Sharapova holds the championship trophy after winning her second French Open women's final match against Simona Halep in 2014. Photo by David Silpa/UPI | License Photo

Sharapova serves to Sabine Lisicki of Germany at the U.S. Open in 2014. Photo by John Angelillo/UPI | License Photo

A boy watches Sharapova practice in the Grandstand Court at Arthur Ashe Kids Day before the U.S. Open in 2015. Photo by John Angelillo/UPI | License Photo

Sharapova reacts after match point defeating Simona Halep of Romania in three sets the 2017 U.S. Open. Photo by John Angelillo/UPI | License Photo

Sharapova walks onto the court at the 2018 U.S. Open. Photo by John Angelillo/UPI | License Photo

Sharapova hits a backhand to Serena Williams at the 2019 U.S. Open last August. Photo by Corey Sipkin/UPI | License Photo

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