Rastislav Trnka holds the leading implied probability in the Košice Region governor race due to his incumbency since 2017, established regional profile, and consistent polling leads in the 40-50% range ahead of the October 24, 2026 vote. A broad opposition coalition of eight parties has consolidated behind Marián Porvažník, including KDH's late July decision to withdraw its own candidate and endorse him, which has lifted his standing to the low-to-mid 30s in recent surveys. Igor Šimko, backed by a separate grouping of governing parties, trails further at single-digit levels. Trnka's independent status and reported legal proceedings over public procurement matters have not yet eroded his advantage in voter preference data, though the unified challenge narrows the path to re-election in the final weeks.