Overview
- Martínez advanced by defeating India's Pentala Harikrishna 3.5–2.5 in a sudden-death tiebreak after their classical games ended level.
- The quarterfinal pits him against 19-year-old Javokhir Sindarov of Uzbekistan, who is ranked No. 25 by FIDE.
- The FIDE World Cup awards three spots for the 2026 Candidates Tournament, which selects the challenger to world champion Gukesh Dommaraju.
- Martínez, 26, is ranked No. 78, was born in Peru, and now represents Mexico after gaining nationality there.
- His run features an earlier upset over Alexey Sarana highlighted by a decisive knight sacrifice.