Jannik Sinner powered into the quarterfinals of the Vienna Open 2025, defeating fellow Italian Flavio Cobolli in a hard-fought last-16 match.

Sinner breezed through the first set 6-2, then held his nerve in a tense second-set tiebreak to win 7-6(4).

Returning to action after retiring with cramps in Shanghai, the four-time Grand Slam champion showed resilience and composure. He didn’t face a break point in the opening set and stayed mentally sharp despite missing four break chances in the second.

“He is a great talent and a great competitor,” Sinner said of Cobolli. “We both played some great tennis at times. I had some chances in the second but could not use them and that is tennis. I tried to stay in the moment and play with a great mentality.”

Sinner now faces eighth seed Alexander B

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