Sport News| 'Challenge accepted' - Russian teen Potapova revels in Kerber upset at French Open #Sport #News #Challenge #accepted #Russian #teen #Potapova #revels #in #Kerber #upset #at #French #Open Do not forget to LIKE, COMMENTS & SUBSCRIBE on every video you watch & THANKS FOR WATCHING !!! https://www.youtube.com/channel/UCxd7jlUuvH2hRTrvCg0RWrw Source: http://c.newsnow.co.uk/A/2/986615005?-434:761