Tennis star Rafael Nadal is confident that Russian tennis player Karen Khachanov will achieve great success in the near future, TASS reported.
According to Nadal, he knows Karen well and believe that the time will come when he will achieve great success.
Khachanov had already won victories in important tournaments and had many important matches, he said.
Many remember our game with Karen last year at the last US Championship, he said adding that it was one of the best matches of the tournament.
During the last US Open, Nadal defeated Khachanov 3-1.