Mumbai, Sept. 25 -- Two Singapore siblings. Two New Delhi-born opponents. An all-Indian quarter-final. One medal guaranteed. Anahat Singh has bigger goals than that at the Aichi-Nagoya Asian Games, but there were little hiccups at the start as India's No.1 and No.2 squash players set up a women's singles quarter-final by winning their Round of 16 clashes against the Singapore sisters on Thursday. Tanvi Khanna played her part in that. Ranked 71st in the PSA charts, India's second-highest ranked women's player had to dig deep against Au Yeong Wai Yhann before winning 3-1 (5-11, 11-4, 11-5, 13-11). On another court around the same time, Anahat, India's top medal hope and world No.17, breezed past Au Yeong Wai Lynn 11-4, 11-5, 11-7. Yhann, a gr...