But asked about Wawrinka's comments, Nadal said all was resolved after the match in the changing rooms between the two players and Toni.
"Toni the other day was not coaching me, he told me nothing in particular with tactics. He just told me 'Come on' in the moments where people were quiet, so I was on the other side of the court, and Stan was there," Nadal said after beating Tomas Berdych, a result which enabled Stanislas Wawrinka to reach the last four of the ATP World Tour Finals at the expense of Berdych.
"It was after Stan had lost the first set, and he was in a very bad way at the end, so I understand that Wawrinka got upset at that moment," Nadal added on the player who smashed his racquet against the net and then the umpire's chair after losing the first set on a tiebreak.
"It was nothing about coaching. After the match, Stan and Toni talked in the locker room. Wawrinka felt sorry because he did it in that way, and Toni felt sorry because he never had the intention to bother Stan during the match. They talked for three minutes. Nothing happened."
Wawrinka tweeted a picture of Nadal after he helped him reach the last four, and Nadal said there are no hard feelings between himself and the Swiss.
"Wawrinka is one of the players that I have a better relationship with on tour. I felt sad during the match that he felt that way," Nadal said. "I told him 'I'm sorry, it's not going to happen again'. That's why I told Toni to stop because the relationship is more important than any match."