Greek teenager upsets Djokovic

Greek teen Stefanos

Tsitsipas upset Wimbledon champion Novak

Djokovic 6-3, 6-7 (5), 6-3 in the Rogers Cup at Toronto.

Tsitsipas, 19, broke the ninth-seeded Serb’s serve early in the third set and held serve from there to reach his first career ATP World Tour Masters 1000 quarterfinal.