Singapore events

LOS ANGELES, CA - JULY 27: Sam Querrey hits a shot at the net against Xavier Malisse of Belgium during day five of the Farmers Classic Presented By Mercedes-Benz at LA Tennis Center at the University of California, Los Angeles on July 27, 2012 in Los Angeles, California. Malisse retired with Querrey leading 6-2, 3-1. (Photo by Stephen Dunn/Getty Images)

LOS ANGELES, CA - JULY 27: Sam Querrey hits a shot at the net against Xavier Malisse of Belgium during day five of the Farmers Classic Presented By Mercedes-Benz at LA Tennis Center at the University of California, Los Angeles on July 27, 2012 in Los Angeles, California. Malisse retired with Querrey leading 6-2, 3-1. (Photo by Stephen Dunn/Getty Images)