UPDATE 3-Tennis-World Indoor Tournament men's singles quarterfinal results

Feb 15 (Infostrada Sports) - Results from the World Indoor Tournament Men's Singles Quarterfinal matches on Friday 5-Gilles Simon (France) beat Martin Klizan (Slovakia) 6-7(6) 6-3 3-0 (Klizan retired) Julien Benneteau (France) beat 1-Roger Federer (Switzerland) 6-3 7-5 2-Juan Martin Del Potro (Argentina) beat Jarkko Nieminen (Finland) 6-3 6-4 Grigor Dimitrov (Bulgaria) beat Marcos Baghdatis (Cyprus) 6-7(4) 7-6(0) 6-3