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Roger Federer and Rafael Nadal are tied for the most Grand Slam titles in history with 20.

Federer Congratulates Nadal On 'One Of The Greatest Achievements In Sport'

Swiss shares kind words on social media after Roland Garros final

Rafael Nadal made history on Sunday by winning his 20th Grand Slam trophy, tying Roger Federer for the most major titles in history. Federer was the first to congratulate him.

“I have always had the utmost respect for my friend Rafa as a person and as a champion. As my greatest rival over many years, I believe we have pushed each other to become better players,” Federer wrote on Twitter. “Therefore, it is a true honour for me to congratulate him on his 20th Grand Slam victory.”

Nadal defeated World No. 1 Novak Djokovic in straight sets for his 13th Roland Garros crown. The most titles Federer has claimed at a Grand Slam is eight at Wimbledon.

“It is especially amazing that he has now won Roland Garros an incredible 13 times, which is one of the greatest achievements in sport,” Federer wrote. “I also congratulate his team, because nobody can do this alone. I hope 20 is just another step on the continuing journey for both of us. Well done, Rafa. You deserve it.”

This is the first time Federer and Nadal have held the same number of major titles. When they started their careers, Pete Sampras held the all-time Grand Slam championship record with 14. Now Federer and Nadal each have 20, and Djokovic owns 17 major trophies.

"Thanks to Roger for the words. As everybody knows, we have a very, very good relationship. We respect each other a lot," Nadal said. "In some ways, I think he's happy when I'm winning and I'm happy when he's doing things well. In some way for me it means a lot, the positive relationship that we have together, because we have been going through a great rivalry for a very, very long time."

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