SPORT ON TV

(Selected) FOOTBALL: Champions League last-16 first leg, Chelsea v Barcelona – BT Sport 2, 7pm. WINTER OLYMPICS: Live coverage – BBC Two, 6am and 1pm, BBC One, 9.15am, 11.45pm and 4am (Wed). TENNIS: Rio Open – Sky Sports Main Event, 11pm. SNOOKER: World Grand Prix, ITV4, 12.45pm and 6.45pm.