Alexander Bublik vs Quentin Halys

This market covers the second-round clash between defending Gstaad champion Alexander Bublik and Frenchman Quentin Halys at the 2026 EFG Swiss Open, an ATP 250 clay-court event. The tournament is played on outdoor clay courts at the Roy Emerson Arena in Gstaad, Switzerland. The match-winner market resolves to the player who advances, while Kalshi's set-by-set and game-spread markets capture more granular in-match outcomes. The match is already mid-course and dramatically suspended. Bublik and Halys are waiting to complete their second-round clash after rain interrupted the deciding set; Bublik had taken the closely contested opening set via a tiebreak, raising his level with aggressive baseline play to close it out 7-6(4). Halys responded strongly in the second set, staying patient and converting a late break to level the match. In the final set, Bublik moved ahead 6-5 and was one game from victory when rain again halted play, leaving Halys preparing to serve at 15-0. Polymarket — by far the largest pool at over $1.2 million — makes Halys the narrow favourite at 54.4%, while Limitless (29.8%) and Azuro (36.1%) both lean Bublik, creating a striking cross-platform spread of roughly 24.6 points on the Halys outcome. Bublik is the defending Gstaad champion and Halys enters on a 10-match winning streak. The suspended-match context — with Bublik one game from the win but Halys still alive on serve — likely explains both the near-even split and the wide platform disagreement, making Polymarket's liquid market the most responsive to the live state of play.