Australian tennis revelation Talia Gibson is a win away from gate-crashing the world’s top 50 after continuing her Ash Barty-like march through March. A day after sending four-time grand slam champion and former world No.1 Naomi Osaka packing, the 21-year-old outclassed one of the sport’s brightest new talents, American teen sensation Iva Jovic, 6-2 6-2 to storm into the last 16 of the Miami Open.