World No. 1 Jannik Sinner guided Italy to a 2-1 victory over Argentina in the Davis Cup quarterfinal, securing a spot in the semifinal. Despite falling behind 1-0 after Francisco Cerúndolo’s win over Lorenzo Musetti, Sinner quickly turned things around, dominating Sebastián Báez in singles. **Sinner, Berrettini win in doubles** In the deciding doubles match, […]