Tallon Greek Railway.
Ⓒ HH/ANP
Arianne Hartono and Tallon Groet in action on the opening day of the Australian Open. The 25-year-old Hartono, who makes his debut in the main tournament of a grand slam, will play the first match at 1:00 AM Dutch time in the 1573 Arena. That is the fifth largest track at Melbourne Park. The qualifier will compete against 20-year-old American tennis player Amanda Anisimova, the number 60 in the world.