The 27-year-old overcame her nerves to become the first Mexican player to defeat a Top 10 seed at a Grand Slam since 1995.

Zarazua knocked off Australian Open champion Madison Keys, who committed 89 unforced errors and was upset 6-7 (10), 7-6 (3), ...

In a three-hour battle on Arthur Ashe, Renata Zarazua upset Australian Open champion Madison Keys to reach the second round.