Polymarket First-Set Games Bet on Khachanov Match Drops to 52%

Catcher Predict monitoring showed a sharp swing in the Polymarket submarket for the U.S. Open ATP match between Karen Khachanov and Alexander Blockx. According to ChainCatcher, the probability of the "over" option in the first-set total games above 8.5 fell from 68% one hour earlier to 52%, a drop of 16 percentage points. The article said to watch for the impact of related breaking news.