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Erste Bank Open: Tennis greats Roger Federer and Rafael Nadal to congratulate Dominic Thiem on his retirement as the Austrian ended his pro career after falling to a first-round defeat against Luciano Darderi at the Erste Bank Open.

The Austrian won a major, the 2020 US Open. He also reached the final of three other Slams, won 17 ATP singles titles; achieved a career-high ATP Ranking of No. 3; and was ensconced in the Top 10 for the better part of six years.

"An illustrious career comes to a close. Congratulations Domi," Federer wrote in an Instagram story. "No matter the surface, you always found a way to beat me with your thunderous backhands," Federer wrote. “But more importantly, you did it with grace and sportsmanship," he added.