Rafael Nadal says he feels emotionally prepared for ending his career at next month's Davis Cup Finals but the Spaniard will only contest the singles if he is "ready to win".
The 22-time Grand Slam champion announced last week that he will retire from tennis after representing Spain in Malaga, where the Davis Cup will be held from 19-24 November.
Nadal, 38, is currently competing at the Six Kings Slam exhibition event in Saudi Arabia and will face long-time rival Novak Djokovic for the final time on Saturday.
"Emotionally, I'm sure I'll be ready.