- Porto: Katherine Sebov vs Gabriela Knutson0¢
- Porto: Completed Match: Katherine Sebov vs Gabriela Knutson100¢
- Set 1 Winner: Katherine Sebov vs Gabriela Knutson0¢
- Set 2 Winner: Katherine Sebov vs Gabriela Knutson0¢
- Katherine Sebov vs. Gabriela Knutson: Total Sets O/U 2.50¢
- Sebov vs. Knutson: Set 1 Games O/U 8.5100¢
- Sebov vs. Knutson: Set 1 Games O/U 9.5100¢
- Sebov vs. Knutson: Set 1 Games O/U 10.50¢
- Sebov vs. Knutson: Set 2 Games O/U 8.50¢
- Sebov vs. Knutson: Set 2 Games O/U 9.50¢
- Sebov vs. Knutson: Set 2 Games O/U 10.50¢
- Sebov vs. Knutson: Match O/U 21.50¢
This market refers to the tennis match between Katherine Sebov and Gabriela Knutson in the Porto, originally scheduled for September 21, 2026 at 6:00AM ET. This market will resolve to 'Katherine Sebov' if Katherine Sebov advances against Gabriela Knutson. This market will resolve to 'Gabriela Knutson' if Gabriela Knutson advances against Katherine Sebov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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.