Carlos Alcaraz beat the heat and humidity of a Midwest summer as the world number two advanced to the fourth round of the ATP and WTA Cincinnati Open on Tuesday.

The Spanish second seed kept his exposure to a minimum in 32 Celsius conditions, taking an efficient 95 minutes to dispatch Serb Hamad Medjedovic 6-4, 6-4, for his 50th match win of the year.

"Medjedovic doesn't like to run that much, so I tried to move him around as much as possible," Alcaraz said. "But it was difficult with the ball flying so much and his shots coming so fast. I tried to defend in a good way."

Alcaraz has been on a tear in 2025 as he chases Jannik Sinner in the ATP rankings, and now owns 13 straight victories at the Masters 1000 level.

He will play for the quarter-finals against Luca Nardi after the Italian

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