Bastia secured a top-10 finish through a 2-1 away victory against eighth-place Rennes at Roazhon Park.The visitors opened the scoring after 21 minutes when left-back Julian Palmieri's cross was headed home by Guinean forward Francois Kamano.Kamano doubled his tally after the break through a powerful right-footed effort from the edge of the box that found the top left corner.Rennes halved their opponent's lead following good work by Giovanni Sio to set up Pedro Henrique to fire home but it could not stop the hosts making it five losses in their last six matches to finish the season.