It was but a few days ago that the Greek played in an intense Roland Garros final against world number 1 Novak Djokovic.
Barbora Krejcikova became a household name overnight in tennis thanks to winning the French Open 2021 women's singles title.
In an Instagram post, Stefanos Tsitsipas revealed his grandmother passed away mere minutes before the French Open 2021 final.
Novak Djokovic has won 19 Grand Slam titles but he is the only player to have won all four Grand Slams twice in the Open Era.
Novak Djokovic became the first player in the Open Era to win all four Grand Slams twice.
Rafael Nadal, who lost in the French Open semi-finals to Novak Djokovic, is yet to take a call on his Wimbledon 2021 participation.
Barbora Krejcikova won the 2021 French Open women's singles title on Sunday after beating Anastasia Pavlyuchenkova in the final.
Barbora Krejcikova became the new French Open champion and she won it in just her fifth Grand Slam singles appearance.
A Pavlyuchenkova backhand went out of play to hand the 25-year-old Czech her maiden singles Grand Slam victory.
Novak Djokovic won his first French Open title in 2016 to hold all four Grand Slams at the same time.