Rafael Nadal issues Stan Wawrinka warning ahead of Madrid Open showdown

RAFAEL NADAL says he will be coming up against one of the best players in the world when he faces Stan Wawrinka in the Madrid Open quarter-finals.

from Daily Express :: Tennis Feed https://www.express.co.uk/sport/tennis/1125160/Rafael-Nadal-Stan-Wawrinka-Madrid-Open-ATP
via Express