Cincinnati Open final: Jannik Sinner retires with apparent illness in first set vs. Carlos Alcaraz while trailing 5-0 Sinner didn't offer specifics on his condition, but said that he "didn't feel great." Original Source: https://sports.yahoo.com/tennis/breaking-news/article/cincinnati-open-final-jannik-sinner-retires-with-apparent-illness-in-first-set-vs-carlos-alcaraz-while-trailing-5-0-195633804.html Previous article: 'Sorry Jannik.' Carlos Alcaraz, fans react to Jannik Sinner retiring in Cincinnati Open Prev Next article: Star power, big money and simmering anger – this is tennis’ new mixed doubles Next