The American is up to No.18, while Cobolli rises to No.33.
Novak Djokovic celebrates his gold-medal triumph dancing with fellow Serbian athletes.
Novak Djokovic delivered an encouraging message to Carlos Alcaraz after beating him in the gold-medal match.
The 24-time major champion realized a lifelong goal on Sunday in Paris.
Alcaraz's heartbreak was softened by the realization that he has time to achieve the Olympic dream.
The 22-year-old defeated Felix Auger-Aliassime to capture bronze at the Paris Olympics.
Down a set and a break, neighbors Matthew Ebden and John Peers pulled off a golden comeback.