Model probabilities Nuno Borges 62.3% · Karen Khachanov 37.7% Why Nuno Borges is favoured Nuno Borges's Elo (1643) is +56 over Karen Khachanov (1587); high confidence. Calibration Raw model: 65.5% home · Platt-calibrated down to 62.3% based on historical reliability across this sport's graded matches.