ITF Tennis Betting: Tennis Odds and Insights | MyBookie

Last updated: October 2026 US Open tennis betting rules for walkovers, retirements, and rain delays depend on whether play began, whether the market was already decided, and the sportsbook's settlement terms. A walkover before the first point generally makes match bets void. A retirement after play begins can affect moneylines, spreads, totals, and props differently.