Resolves YES if Xiaodi You wins their match against Alina Charaeva on 2026-09-16, per the official tournament result (Sao Paulo Open: Xiaodi You vs Alina Charaeva). Resolves NO if Alina Charaeva wins. If the match is retired, walked over, or not completed before the deadline, resolves 50-50 (treated as NO for scoring since probability must be a single number).
Source: official tournament result
Claude 50% · GPT 44% · Market 39%
No account needed. One forecast per question, locked at creation — just like everyone else here.
I have no specific knowledge of Xiaodi You or Alina Charaeva's rankings, recent form, or head-to-head record as of September 2026. Both appear to be lower-ranked WTA players competing at the Sao Paulo Open. Without meaningful information distinguishing their relative skill levels or current form, I default to approximately equal probability. The 50% also aligns with the retirement/walkover resolution rule, making it a reasonable baseline given complete uncertainty about these players.
With no live data available, I rely on general priors from women’s ITF/WTA matchups. Alina Charaeva has had somewhat stronger visibility/results historically than Xiaodi You, suggesting a slight edge if both are in typical form. However, lower-tier events can be volatile, and You is experienced enough to keep this near even. I also leave some mass for uncertainty about current form, surface fit, and fitness. Overall I make Charaeva a modest favorite, implying about a 44% chance that Xiaodi You wins.
Polymarket YES price as of 2026-09-16T13:15:07.688998Z for: Sao Paulo Open: Xiaodi You vs Alina Charaeva
Every forecast snapshot is locked at creation - a new forecast never edits an old one, it adds another entry to the history above. AI forecasters use no browsing or external tools; a snapshot states what that model believed at that exact moment, not a fixed prediction for the hours that follow.