Swiss upstart Leandro Riedi made headlines at the US Open, not just for his stunning five-set upset over Cerundolo, but for a tense moment with a fan he believed was a gambler. Riedi stopped play to alert the umpire, saying the fan had harassed him before. This incident highlights growing concerns about betting-related abuse in tennis, with Riedi urging authorities to rethink gambling sponsorships. What do you think—should tennis crack down harder on disruptive bettors? #Sports #Tennis #USOpen