In the face of a brilliant serving display from Jan-Lennard Struff, Jannik Sinner held firm Friday to advance to the Terra Wortmann Open semi-finals. Struff hit 18 aces and saved 16 of 18 break points — including all 11 in the second and third sets — but could not pull off the upset against the new No. 1 in the PIF ATP Rankings.
The Italian's 6-2, 6-7(1), 7-6(3) result was his third consecutive three-set win in Halle, after earlier victories against Tallon Griekspoor and Fabian Marozsan. Sinner lost a tie-break in each of the three matches.
"It was a very tough match," Sinner said. "I had chances in the second, had chances in the third, but couldn't use them. It was 0/40 [in the first game of the third set]. I just try to accept these kind of challenges. Obviously it has been very tough, also mentally. I'm very pleased to be in the next round, I played a lot yesterday, I played a lot also today — two and a half hours on grass, it's a long time. I'll try to recover for tomorrow and hopefully show some good tennis."
[ATP APP]Playing in his first event as World No. 1, Sinner has yet to meet a seeded opponent. That trend will continue in Saturday's semis, when he takes on Zhang Zhizhen.
Sinner is bidding to become the eighth man in PIF ATP Rankings history to win the title in his first event as No. 1, and the first to do it since Andy Murray at the 2016 Nitto ATP Finals.
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