Champion Sinner wary of Zverev before Wimbledon final

Jannik Sinner is preparing to defend his Wimbledon title and will face Alexander Zverev, the reigning French Open champion, in the final. Despite a historically favorable record against Zverev, Sinner has expressed caution about the matchup. The contest pits two of tennis's top players against each other at one of the sport's most prestigious Grand Slam events.