"For a Serbian athlete, this is the most incredible emotion there is," Novak Djokovic told thousands of fans in Belgrade.
Arthur Ashe Kids' Day is set for Saturday, August 24th.
Defending champion Jessica Pegula on the challenge Amanda Anisimova poses in Toronto final.
The Russian talked openly of his struggles after Saturday's win over Jannik Sinner.
The Italian was struggling physically during his loss to Rublev in Montreal on Saturday night.
The 20-year-old says she took a lot from mingling with American stars such as gold medal winners Sydney McLaughlin-Levrone and Gabby Thomas.
The Greek shared the news on social media on Friday.