What is the resolution source for this market?

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

W15 维莱纳：朱莉安娜·贾乔 (Juliana Giaccio) VS 努利亚·萨尔加内拉·维尔杜 (Nuria Sarganella Verdu)

Name: W15 维莱纳：朱莉安娜·贾乔 (Juliana Giaccio) VS 努利亚·萨尔加内拉·维尔杜 (Nuria Sarganella Verdu) | Future
Creator: Polymarket

Sports/Tennis

10 hours ago

结束日期Oct 27, 2026

流动性$954.2

交易量$0

OI$0

Juliana Giaccio

92%

Nuria Sarganella Verdu