Polymarket runs a real-money market on this question. Norynta mirrors it with play credits: it opened at the Polymarket price and settles exactly as that market does. Players and a labelled market tracker move the price from there. Think the crowd is wrong? Trade against it.
This market refers to the tennis match between Karolina Muchova and Nikola Bartunkova in the China Open, originally scheduled for October 7, 2026 at 11:00PM ET. This market will resolve to 'Karolina Muchova' if Karolina Muchova advances against Nikola Bartunkova. This market will resolve to 'Nikola Bartunkova' if Nikola Bartunkova advances against Karolina Muchova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used. Resolution: this play-money market resolves to the same result as the official Polymarket market settlement, linked as this market's resolution source. Observation time: the source market's final settlement after trading closes at 2026-10-15T03:00:00Z (UTC). If the source market is voided, cancelled, or its result is unavailable or ambiguous, this market is voided and positions are refunded.
Forecasts and play credits have no cash value. At resolution each winning share pays 1 play credit and your calibration record updates.