List of players who were handed biggest fines in Tennis
Sarena was fined $17,000 in US Open 2018, for calling the umpire a "Theif and liar"
In the year 1987, John McEnroe was charged $17,500 for abusing the umpire. He blamed the umpire' mismanagement of his game.
Boris Becker accused his opponent Thomas Muster, of consuming drugs for better performance in Monte Carlo Masters finals 1995. Which came out to be false then he was charged penalty of $20,000.
Daniil Medvedev was charged $26,000 at Wimbledon Championship 2017, for insulting the umpire and throwing coins at Umpire.
In the year 2014, Fabio Fognini was charged with $20,000 for his unethical behavior with the umpire during Wimbledon Championship.
Jeff Tarango in the Wimbledon Champioship1995, he asked the observer to shut up and said the umpire that, "You are the most corrupt official in the game".
In 2012 Queen's Championship finals, David Nalbandian kicked one of the advertising board and one small piece of it flew and made a cut on the left shine of the linesman who was standing behind David.
Bernard Tomic was fined for not meeting the necessary standards of the match. He was charged $80,000, in 2019's Wimbledon championship.
Serena Williams was again fined with heavy penalty in 2009 WTA. She abused the linesman by saying, "Thanks for ruining another match for me. You going to try to set the Guinness Book of World Records for f***ing me?”
Nick Kyrgios was charged with $35,000, for using unethical language, and he flipped the chair and rude behavior.