Jakub Mensik beats Joao Fonseca to set up French Open semi with Alexander Zverev

Jakub Mensik broke new ground in Paris (Thibault Camus/AP) - (AP)

Jakub Mensik won the next-generation battle against Joao Fonseca to set up a French Open semi-final against title favourite Alexander Zverev.

Brazilian Fonseca has lit up the tournament with his electrifying brand of power tennis, knocking out Novak Djokovic in the third round and showing that the hype that has followed him around for the last two years is fully justified.