► Subscribe to Sky Sports: bit.ly/SkySportsSub ► Watch Sky Sports: bit.ly/BuySkySports To celebrate the launch of the tennis season on Sky Sports, our talent take on the Ultimate Tennis Serve Challenge! 00:00 - 02:10: Laura Robson 02:10 - 03:57: Gigi Salmon 03:57 - 05:19: Jonathan Overend 05:19 - 07:07: Naomi Broady 07:07- 08:53: Naomi Cavaday 08:53 - 10:40 - Tim Henman #tennis #timhenman #laurarobson MMA: bit.ly/SkySportsMMA Netball: bit.ly/SkySportsNetball NFL: bit.ly/SkySportsNFL Rugby League: bit.ly/SkySportsRugbyLeague Rugby Union: bit.ly/SkySportsRugbyUnion Tennis: bit.ly/SkySportsTennis More from Sky Sports on YouTube: ► Sky Sports: bit.ly/SkySportsSub ► Sky Sports Boxing: bit.ly/SSBoxingSub ► Sky Sports Cricket: bit.ly/SubscribeSkyCricket ► Sky Sports Darts: bit.ly/SubSkySportsDarts ► Sky Sports Football: bit.ly/SSFootballSub ► Sky Sports F1: bit.ly/SubscribeSkyF1 ►...