Catcher Predict: "US Open: Tommy Paul vs. Carlos Alcaraz" "US Open: Tommy Paul vs. Carlos Alcaraz total games in the first set over 8.5" Win rate plummets 19.5%

According to Catcher Predict monitoring, in the market prediction on Polymarket for the event "US Open: Tommy Paul vs. Carlos Alcaraz," the "over" option for the sub-market "US Open: Tommy Paul vs. Carlos Alcaraz total games in the first set over 8.5" has experienced a sharp fluctuation in win probability, plummeting from 72.5% an hour ago to the current 53% (a fluctuation of 19.5%). Please note the impact of related breaking news.