What is the resolution source for this market?

https://www.itftennis.com/en/tournament-calendar/

W15 萨姆特 (SC)：朱莉安娜·妮可·辛格奥赞 (Juliana Nicole Singeorzan) VS 卡莉斯塔·刘 (Kallista Liu)

Name: W15 萨姆特 (SC)：朱莉安娜·妮可·辛格奥赞 (Juliana Nicole Singeorzan) VS 卡莉斯塔·刘 (Kallista Liu) | Future
Creator: Polymarket

Sports/Tennis

6 hours ago

结束日期Nov 4, 2026

流动性$4.4K

交易量$0

OI$0

Juliana Nicole Singeorzan

25.5%

74.5%

Kallista Liu