Jannik Sinner extends his unbeaten indoor hardcourt record to 28 matches with straight sets win over Alexander Zverev.By News AgenciesPublished On 13 Nov 202513 Nov 2025Click here to share on social mediashare2ShareDefending champion Jannik Sinner reached the semifinals of the ATP Finals with a 6-4 6-3 win over two-time winner Alexander Zverev on Wednesday, with Ben Shelton eliminated after losing earlier to Felix Auger-Aliassime in the same group.Italy’s Sinner extended his indoor hardcourt winning streak to 28 matches, but victory over his German rival was not as comfortable as the scoreline suggests, with the world No 2 under pressure early in both sets.Recommended Stories list of 4 itemsend of list“A very, very competitive match, a very close match,” Sinner said. “I felt like I was serving very well in important moments. I tried to play the best tennis possible when it mattered, which fortunately went my way.”The pair, the only two previous ATP Finals champions in this year’s competition in Italy, had both won their opening Bjorn Borg Group matches. Sinner returns the ball to Germany’s Alexander Zverev during their match in Turin [Antonio Calanni/AP]Zverev fails to capitalise on break opportunitiesOn Wednesday, Sinner faced seven break points compared with Zverev’s four but pulled out aces and delightful drop shots when it counted.Sinner made a slow start, facing two break points in the opening game, but found four aces at vital points to hold after nine minutes. He let slip two break points at 5-4 up before racing to the net to outwit Zverev and take the first set.Sinner came back from 0-40 to hold his first service game of the second set, and Zverev forced another break point when the Italian next served, but the champion’s composure never wavered and he broke to lead 4-2, a sliced drop shot the winning point. Advertisement Zverev responded by taking a 30-40 lead in the following game, but Sinner held firm. At one stage, a whipped backhand down the line had the German shaking his head in disbelief, and he fell to his third loss to Sinner in 17 days, while the Turin crowd rose to acclaim the Italian.Sinner must retain his title undefeated to have any chance of ending the year as world number one, while Carlos Alcara …