What is the resolution source for this market?

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

M25 Santa Margherita di Pula：朱利奧·斯特拉 (Giulio Stella) VS 福斯托·塔巴科 (Fausto Tabacco)

Name: M25 Santa Margherita di Pula：朱利奧·斯特拉 (Giulio Stella) VS 福斯托·塔巴科 (Fausto Tabacco) | Future
Creator: Polymarket

Sports/Tennis

4 hours ago

結束日期Oct 27, 2026

流動性$117.4

交易量$0

OI$0

Giulio Stella

26.5%

73.5%

Fausto Tabacco