Italy's Davis Cup captain, Filippo Volandri, claims Jannik Sinner still has a lot to learn about himself as matches get into the fourth and fifth sets.
Carlos Alcaraz suffered a 6-3, 3-6, 10-7 defeat to Frances Tiafoe in New Jersey, marking his first match since missing the Davis Cup Finals due to injury.
Marcel Granollers and Pedro Martinez helped Spain to a 2-1 Davis Cup semi-final Victory over Alexander Zverev's Germany on Saturday to set up a final against Italy.
Flavio Cobolli produced an amazing escape to send Italy into the Davis Cup final, saving seven match points before edging Belgium's Zizou Bergs in an epic 32-point tie-breaker.
Germany and Spain will meet in the 2025 Davis Cup Final semi-finals on Thursday in Bologna, Italy, following dramatic victories over Argentina and the Czech Republic, respectively.
Alexander Zverev maintains he is "very happy" to play for Germany at the Davis Cup Finals while reaffirming his criticism of the modern format.