US Open champion on mindset as he closes in on world No. 1 ranking.
Alexander Zverev edged Jenson Brooksby in a three hour, 19-minute epic that ended at 4:55 a.m. Acapulco time.
The American was down and seemingly out, but he found a way to a miraculous triumph.
The World No.1 holds out hope that things will change and restrictions will loosen.
The Spaniard cracks an eye-opening milestone as the youngest player to hit the Top-20 since 1993.
The former World No.1 says the sport is better off with Novak Djokovic on the court.
The 14-year-old Czech has reeled off back-to-back ITF titles, and is now qualified for her first WTA main draw.
