Tennis : Tsonga in semis of Moselle Open as second seed Basilashvili retires in final set

France's Jo-Wilfried Tsonga reached the semi-finals of the Moselle Open in Metz in France when his opponent, second seed Nikoloz Basilashvili of Georgia, retired due to an injured shoulder in the final set of their quarter-final with Tsonga leading 5-7, 6-3, 4-1.