pa href='https://www.atptour.com/en/players/jannik-sinner/s0ag/overview'Jannik Sinner/a is the top seed at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a, where he will try to claim his second major title. The Italian took the tennis world by storm at this yearrsquo;s a href='https://www.atptour.com/en/tournaments/australian-open/580/overview'Australian Open/a, where he lifted his first Grand Slam trophy./p
pBefore the 23-year-old plays a href='https://www.atptour.com/en/players/mackenzie-mcdonald/mk66/overview'Mackenzie McDonald/a in the first round at Flushing Meadows, ATPTour.com looks at five fast facts from his career thus far at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a./p
pstrongSinner qualified for a major for the first time in New Yorkbr /
/strongHardcore fans remember well Sinnerrsquo;s first qualifying match at a major, which came in 2019 at a href='https://www.atptour.com/en/tournaments/wimbledon/540/overview'Wimbledon/a. He lost a tight encounter to Australian a href='https://www.atptour.com/en/players/alex-bolt/bi81/overview'Alex Bolt/a./p
pBut then a teen, the Italian qualified for his first major main draw two months later at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a. The 18-year-old defeated a href='https://www.atptour.com/en/players/matteo-viola/v490/overview'Matteo Viola/a, former training partner a href='https://www.atptour.com/en/players/viktor-galovic/gb61/overview'Viktor Galovic/a and a href='https://www.atptour.com/en/players/mario-vilella-martinez/v824/overview'Mario Vilella Martinez/a to reach the field of 128./p
p/p
pstrongMemorable Alcaraz classicbr /
/strongOne of the best matches from any tournament in recent memory was the 2022 a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a quarter-final between Sinner and a href='https://www.atptour.com/en/players/carlos-alcaraz/a0e2/overview'Carlos Alcaraz/a./p
pTheir rivalry reached a new stratosphere when they clashed inside a href='https://www.atptour.com/en/players/arthur-ashe/a063/overview'Arthur Ashe/a Stadium deep into the night. For five hours and 15 minutes, the budding rivals bludgeoned groundstrokes and produced tremendously athletic rallies to thrill the New York fans./p
pSinner held match point and served for victory in the fourth set, but was unable to convert. Alcaraz ultimately triumphed 6-3, 6-7(7), 6-7(0), 7-5, 6-3 at 2:50 a.m. The Spaniard went on to win the title and become the youngest No. 1 in PIF ATP Rankings history./p
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pstrongTough opponents galorebr /
/strongMany of Sinnerrsquo;s matches at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a have come against top opponents. From the 15 main-draw matches he has played at Flushing Meadows, seven of his opponents have reached the Top 10 in the PIF ATP Rankings in their career./p
pSinner has twice faced 2016 champion a href='https://www.atptour.com/en/players/stan-wawrinka/w367/overview'Stan Wawrinka/a in New York. He lost to the Swiss on his debut in 2019 and defeated him last year in the third round./p
pThe Italian has suffered two of his five a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a losses at the hands of a href='https://www.atptour.com/en/players/alexander-zverev/z355/overview'Alexander Zverev/a./p
pstrongExtended showdownsbr /
/strongSinner does not go down without a fight and that has been the case at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a, too. Three of his five losses have come in five sets and another in four sets./p
pOf the 15 five-set matches has has played in his career, six have taken place in New York./p
pstrongHis best showing was...br /
/strongThe 23-year-oldrsquo;s best result at the a href='https://www.atptour.com/en/tournaments/us-open/560/overview'US Open/a came in 2022, when he made the quarter-finals. Sinner has advanced to at least the fourth round in the past three editions of the seasonrsquo;s final major./p
p[NEWSLETTER FORM]/p
