European Open: Mariano Navone vs Tallon Griekspoor — odds by venue
| Outcome | Polymarket | Kalshi | Best price |
|---|---|---|---|
| European Open: Mariano Navone vs Tallon Griekspoor | 40% | 39% | 39% on Kalshi |
Venues
- Polymarket: Volume $9.2K · Liquidity $134.4K · Price time —
- Kalshi: Volume $2.8K · Liquidity $2.8K · Price time —
Resolution rules
Polymarket
This market refers to the tennis match between Mariano Navone and Tallon Griekspoor in the European Open, originally scheduled for October 21, 2026 at 7:00AM ET. This market will resolve to 'Mariano Navone' if Mariano Navone advances against Tallon Griekspoor. This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Mariano Navone. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not…
Kalshi
If Mariano Navone wins the Navone vs Griekspoor professional tennis match in the 2026 ATP Brussels Round Of 16 after a ball has been played, then the market resolves to Yes. The following market refers to the Navone vs Griekspoor professional tennis match in the 2026 ATP Brussels Round Of 16 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, t…