Three-time major champion Stan Wawrinka is back in action on the Challenger Tour!

Stan Wawrinka takes on Albert Ramos-Vinolas in the first round of the Aix-en-Provence Challenger! SUBSCRIBE: bit.ly WEBSITE: atptour.com TWITTER: twitter.com INSTAGRAM: instagram.com About the Official ATP Tour YouTube Channel: As the global governing body of men’s professional tennis, the ATP’s mission is to serve tennis. We entertain a billion global fans, showcase the world’s greatest players at the most prestigious tournaments, and inspire the next generation.