Entain: US Open set to be most bet-on grand slam ever

Betting on tennis is soaring with the US Open at Flushing Meadows set to be the most bet-on grand slam in history. Ladbrokes, Coral and BetMGM owner Entain is forecasting the coming major, which begins in New York later today, to smash betting records across tennis. The racket sport has climbed into the top two [...]