Norbert Gombos vs Nikolas Sanchez Izquierdo

This market covers the Croatia Open (ATP Umag) qualification round 1 tennis match between Norbert Gombos and Nikolas Sanchez Izquierdo, originally scheduled for July 11, 2026. The core question is which player advances, with additional side markets on total games and set totals. Polymarket resolves the main market to the player who progresses, including via retirement mid-match, while walkovers resolve 50-50. Kalshi's version requires a ball to be played and refers to the same qualifying round. The headline moneyline shows Sanchez Izquierdo as the favourite at a consensus 65.0%, priced identically on Polymarket. On Kalshi, however, the same outcome is quoted at 69.0%, a 4.0-point cross-platform spread. The mirror side illustrates it more starkly: Polymarket implies 38.0% for Gombos while Kalshi implies 33.0%, a 5.0-point gap. That leaves Sanchez Izquierdo favoured by roughly 30 points over Gombos on Polymarket, and by 36 points on Kalshi. Side markets on Polymarket lean toward a straightforward match: Over 2.5 sets sits at 63.0%, with a total-games Under at 64.5% versus 35.5% for the corresponding Over. The cross-platform takeaway is that both venues agree Sanchez Izquierdo is a clear favourite, but Kalshi prices him meaningfully shorter than Polymarket.