Tennis: Sinner suffers shock second-round exit at Roland-Garros [SOUND]

# Tennis: World number one Jannik Sinner suffered a shock second-round defeat at the French Open after struggling physically in sweltering conditions. The Italian was just a game from victory at 5-1 in the third set, when he started cramping and feeling dizzy, which required a medical timeout. After dropping the third set, Sinner failed to regain his fitness as Argentina’s world number 56 Manuel Cerundolo won, 3-6, 2-6, 7-5, 6-1, 6-1. Sinner says he was very low in energy: