There are a lot of tennis terms to get your head around on the ATP Tour. Luckily, Felix is here to help you get into the, ahem, swing of things... READ MORE: https://www.atptour.com/en/news/tennis-explained-atp-tour SUBSCRIBE: http://bit.ly/2dj6EhW WEBSITE: http://www.atptour.com/ FACEBOOK: https://www.facebook.com/ATPTour/ TWITTER: https://twitter.com/ATPTour INSTAGRAM: https://www.instagram.com/atptour/ 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.