Rafael Nadal has lost 6-4, 6-4 to Botic van de Zandschulp of the Netherlands in the Davis Cup quarterfinals in what could be the last match of the 22-time Grand Slam champion's career.

Rafael Nadal said on Tuesday if he was Spain's Davis Cup captain he would not pick himself to play singles if they advance in the tournament after he lost their opening quarter-finals match 6-4 6-4 against the Netherlands' Botic van de Zandschulp.

The 22-time Grand Slam champion's physical limitations were laid bare in what could be his last appearance as a professional player.