Dethroning current No.1 Garbine Muguruza, Halep has become the 25th woman in WTA history to hold the top spot, and the first one from Romania.
The 26-year-old Halep’s first chance to win the coveted ranking was actually against Ostapenko, who then stunned her in the French Open final to win the first title of her young career. Four more chances followed — at Eastbourne, Wimbledon, Cincinnati and the US Open — and now, in a rematch of the French Open championship match, Halep finally grabbed the No.1 ranking on her sixth try, exuding composure against inconsistent Ostapenko.