Bets to win, in sports such as tennis and snooker, imply a bet on the opposite side losing. Horse racing, for example, has been plagued with allegations of rigging. Mark…

Top-ranked Roger Federer lost consecutive matches for the first time in four-and-a-half years, falling to number seven Fernando Gonzalez of Chile 4-6, 7-6 (1), 7-5 on Monday at…