The 20-year-old Czech and the 19-year-old Brazilian have both delivered a statement tournament — and Menšík's has more to come.

Two 19-Year-Olds Are Leading A Youth Movement (And Making Big Bucks) At Roland Garros

PARIS, May 31 : Brazilian teen sensation Joao Fonseca continued his breakthrough French Open campaign by seeing off twice runner-up and 15th seed Casper Ruud 7-5 7-6(8) 5-7 6-2 on…