Roger Federer lost in the semi - finals of the Dubai Tennis Championships . Federer beaten by world No.114 Argentine Martín García in straight sets . The Swiss former grand slam winner is trialling a new racquet with a larger frame . Federer -- who dropped from third to fifth in the world rankings after his Wimbledon loss -- will now head home to Switzerland to play at Gstaad next week . Federer said early season exit was a good time to make the switch .
Roger Federer lost in the semi - finals of the Dubai Tennis Championships . Federer beaten by world No.114 Argentine Martín García in straight sets . The Swiss former grand slam winner is trialling a new racquet with a larger frame . Federer said early season exit was a good time to make the switch .