A young tennis fan who survived cancer finally got to meet his lifelong idol Roger Federer - and even showed him a few tricks he's learned on the court.
Mark Krajekian, 10, had played tennis since he was three years old but had his leg amputated when he was eight after he was diagnosed with cancer.
But the youngster's willingness to fight and courage throughout his battle won the hearts of the tennis community, incluidng his hero, Roger Federer.
Federer even sent a note to Mark during his battle.
"Get well soon Mark and tell me when you're ready and I'l play tennis with you," read Federer's note.
This morning, ahead of Federer's fourth round US Open match with Philipp Kohlschreiber, Federer kept that promise.
The two played a rally together outside Arthur Ashe stadium where Federer was warming up with Mark making his idol work all aorund the court before drawing him in to the net to play a perfectly weighted lob over him for the point.
The crowd that had gathered to watch the heart-warming meeting roared for Mark as Federer accepted he was beat.
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