In the second set, both players were given a warning for delay of match as they dawdled with their serves.
Nadal was given a warning for on-court coaching by his uncle, Toni, and Wawrinka complained afterwards that he should have been further punished.
When Djokovic was given a warning for slow play during the United States Open men's final on Monday, he disputed it with the chair umpire, Jake Garner.
Van Gaal was playing for Sparta Rotterdam when he took exception to a decision from a mustachioed referee and was given a warning for raising his voice.
As it stood previously, a server or returner who takes more than 25 seconds between points is given a warning for his first violation, then a point penalty for each subsequent violation.
Angel Maria Villar Llona (fined) The head of Spanish football was fined 25,000 Swiss francs by FIFA's ethics committee in November and given a warning for his initial lack of co-operation with the investigation into the 2018 and 2022 bidding process.
Galfi was given a warning for racket abuse as Swan, seeded 14th, raced into a 4-2 lead in the decider, but the Hungarian regained her composure and won three games in a row to serve for the match at 5-4.
Parizek couldn't confirm that it was in fact the same Scott Greene in the videos, but McCarty did confirm that Greene was recently asked to leave a football game at the local high school and given a warning for trespassing.
A player will be given a warning for his first offense and will receive a fine of $5,000 for a second violation, $10,000 for a third violation, $15,000 for a fourth violation and $30,000 for a fifth violation during the regular season.
