Rafael Nadal prepares to retire from tennis after Davis Cup finals in Malaga, ending a successful 20-year career.

Rafael Nadal’s impending retirement will loom over the Davis Cup Final 8 from the moment it begins Tuesday in southern Spain. If that weren’t already obvious, just glance at the banner measuring 28,000 square feet (2,

Nadal’s total commitment to competition, his endurance, his embrace of suffering, his aggression, even his ritualistic placement of his water bottles—clichés become inescapable. He gives you a sense that every backhand,