From Wimbledon to The French Open and beyond, Roger Federer and Rafael Nadal have won it all when it comes to the magnificent game of tennis.
So what happens when you pair these two greats of the game together in a doubles match?
We never thought we'd see the day but that rather exciting prospect came true during the Laver Cup in Prague.
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Representing team Europe, the legendary Roger Federer stepped onto the court with his doubles partner Rafael Nadal as the crowd looked on in awe.
The pair beat American duo Sam Querrey and Jack Sock in two sets, recording a 6-4 1-6 (10-5) victory to give Team Europe a 9-3 lead.
If you're a huge tennis fan - and have followed these two incredible athletes since day one - then this highlights reel of the pair playing together is pure bliss.
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What a moment:
Federer managed to win Wimbledon yet again in 2017, an eighth title following victories in 2003, 2004, 2005, 2006, 2007, 2009 and 2012.
And he'll be hoping to win it in 2019 after progressing against Lucas Pouille on Saturday afternoon.
Back in 2017, the ever-elegant Swiss eased his way past Marin Cilic in the final who was battling with a foot injury.
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The big serving Croatian even cried after the first set as he received medical attention though continued to play through the pain barrier.
The victory saw Federer surpass American legend Pete Sampras becoming the most successful open era male player on grass.
Isn't life a wonderful thing. Any chance of a permanent partnership, lads?
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That was way too fun.
Topics: Tennis, Tennis news, Rafael Nadal, roger federer, Wimbledon