Rafael Nadal says he could skip singles matches at the Davis Cup Finals and limit himself to playing doubles if it helps Spain's title chances in his last tournament as a professional player.

Nadal will call time on his glittering tennis career spanning more than two decades at the team competition in Malaga, Spain.

The 22-time grand slam champion is aware he has not played a competitive singles match since losing to Novak Djokovic at the Paris Olympics.

Severely hampered in the past two seasons by a serious hip injury and a string of minor problems, the 38-year-old said he would give his best in Malaga but was also ready to sit out.

"I'm going to try to prepare in the best way possible to be available and then see what the captain decides," Nadal said in an interview published by the Spanish tennis federation.

"I want to help in any way, whether it's playing or not, just being here and contributing what I can.

"First we have to see how I feel in training. If I really don't see myself ready to have a chance of winning in singles, I'm the first one who will not want to play.

"Sometimes one sees oneself ready and things go very wrong."

Former world No.1 Nadal said he had spoken to Spain captain David Ferrer and asked him not to make any decisions based on the fact that this is his final week on the tour.

"The team comes first and he should not be affected in the slightest by the noise that may be around. He has to do what is best for the team, and that's what I want," Nadal said.

Nadal, who led Spain to their sixth and most recent Davis Cup triumph in 2019, said he was satisfied with his career.

"What I would like, obviously, is for the team to work well and have the chance to win another Davis Cup, whether by playing or cheering from the stands," he said.

Spain face the Netherlands in their opening match at the November 19-24 tournament featuring eight nations.