Paris, June 3 -- Jakub Mensik sealed his first-ever major semifinal spot, beating teen sensation Joao Fonseca in the quarterfinal of the French Open on Tuesday night.

The 20-year-old Mensik overcame 19-year-old Fonseca 6-4, 6-3, 7-6(3). The clash between two of tennis's most exciting young talents saw Mensik absorbing and giving back to Fonseca's firepower, and he became the first man born after 2004 or later to reach the semifinals of a Grand Slam in a match that lasted two hours and 33 minutes.

Both stars were competing in their first-ever Grand Slam quarterfinals, and it was Mensik who rose to the occasion, becoming the youngest Czech player to reach the semifinal of a Grand Slam.

"We started a little bit nervous, then at the end of...