^Albarrán, Nacho (9 June 2020). "¿Qué fue de Sánchez y Casal, la mejor pareja del tenis español?" [What happened to Sánchez and Casal, the best doubles pair in spanish tennis?]. Diario AS (in Spanish). Retrieved 23 October 2023. In 1989, they didn't play much. Sergio was recovering from a wrist injury and Emilio focused on singles, where he was getting closer to Top 10.