Former Roland Garros champion Garbine Muguruza knocked out by teen in first round
Former French Open champion Garbiñe Muguruza has lost her opening match at Roland Garros to 18-year-old Marta Kostyuk of Ukraine, 6-1 6-4.
Muguruza received treatment for a back issue between sets and made a slew of aggressive errors, as though eager to end rallies quickly.
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Garbine Muguruza in her first round defeat against Marta Kostyuk at Roland Garros. Getty
She won the tournament in 2016, won Wimbledon in 2017 and was seeded 12th. It was her first opening-round exit at the French Open.
Kostyuk, ranked 81st, earned her first win over a top 20 player.
Marta Kostyuk during her Roland Garros upset win over Garbine Muguruza. Getty
