LONDON, ENGLAND - JUNE 24: Gilles Muller of Luxemburg hits a backhand during the Semi Final match against Marin Cilic of Croatia on day six at Queens Club on June 24, 2017 in London, England. (Photo by Patrik Lundin/Getty Images for LTA)
LONDON, ENGLAND - JUNE 24: Gilles Muller of Luxemburg hits a backhand during the Semi Final match against Marin Cilic of Croatia on day six at Queens Club on June 24, 2017 in London, England. (Photo by Patrik Lundin/Getty Images for LTA)