"My aunt is not feeling well health-wise and I don't know how much longer I have her in my life," he said.
It was more straightforward in New York as he rarely looked troubled by Fritz, who struggled to build any momentum.
"I know we have been waiting for a champion for a long time so I'm sorry I couldn't get it done this time," said Fritz.
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"It's nice I can still share these moments with her. She is an important person in my life and still is.
He subsequently parted ways with the physio and his fitness trainer - but questions continued about whether Sinner's case had been handled differently to those of other players because of his world number one status.
Este é igualmente o ano do 4k: a SPORT TV foi este primeiro canal português a transmitir 1 evento desportivo, a final da Champions entre o Real Madrid e o Atlético Madrid, utilizando a tecnologia do 4k, qual permite aumentar em quatro vezes a capacidade da imagem. O presente primeiro passo em 2016 confirmou uma aposta permanente em 2017, com o início DE emissões regulares em 4k.
Refusing to dwell on the first set, Fritz improved and made the second a closer affair, losing just two points in four service games.
Las audiencias por la Kings World Cup fueron muy buenas y con todo lo de que se viene por delante en los próximos meses, la liga espera continuar ofreciendo un 'show' qual tiene el fútbol como máximo exponente.
The 26-year-old recovered well to win three games in a row, but he continued to falter on serve and Sinner capitalised to take the opener and subdue the expectant mood on Arthur Ashe Stadium.
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It has been nearly 50 years since a man won their 米兰体育app first and second Grand Slam titles in the same season, and Sinner is now a long way clear of the rest at the top of the rankings.
Having failed to make the most of three break point opportunities early in the third set, Fritz brought the crowd to life with two brilliant winners to break for a 4-3 lead and keep alive his hopes.
Cheered on by a home crowd packed with celebrities and sporting stars, Fritz got off to a shaky start when he dropped serve in the first game.