US Open Tennis: Japan's Kei Nishikori - in 60 seconds
Japan's Kei Nishikori faces Croatian Marin Cilic in the final of the US Open tennis championship in New York later.
But many people know little about the first Asian man to reach a Grand Slam singles final.
Here's a 60-second look at the Japanese tennis sensation.
Pictures courtesy of Getty Images, Reuters and Associated Press. Video produced by Michael Hirst