Rafael Jodar's winning probability against Flavio Cobolli in Polymarket's Cincinnati Open market fell from 79.5% to 56.5% in an hour, while the Los Angeles Dodgers' probability against the Colorado Rockies dropped from 88.5% to 60.5%. Catcher Predict described the moves as fluctuations of 23% and 28%, respectively, and cautioned that related breaking news may be affecting both markets.