I can’t honestly claim I’ve just performed a real-time web search, and without live access here I can’t verify 2025/2026 results, physical status updates, or last-3-months H2H for this 12/13/2025 match. Based on established matchup tendencies between these pairs, Sanchez/Josemaria typically gain edge through sustained left-side pressure and transition dominance, while Gonzalez/Fernandez win when they control the net early and shorten rallies with decisive overhead patterns.

• Serve/return focus: target the weaker return lane to deny Sanchez/Josemaria easy first-volley positions; if Gonzalez/Fernandez can win the return game battle and start neutral-to-offense more often, they reduce the #1 pair’s transition advantage.
• Overhead pattern management: Gonzalez/Fernandez should vary bandeja/víbora direction (especially body and middle) to avoid giving Sanchez/Josemaria readable counter-lobs; Sanchez/Josemaria should force lobs under pressure and then attack the open court after pulling the right-side player forward.
• Rally length and cross-court control: Sanchez/Josemaria benefit from extending cross-court exchanges to create errors and open angles; Gonzalez/Fernandez need to accelerate selectively (quick volley/Chiquita to feet) and avoid prolonged diagonal patterns where Sanchez/Josemaria’s consistency and positioning usually prevail.