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#4 Heinz Peter Gunthardt
In a 14-year tennis career which began in 1976 and ended in 1990, Heinz Peter Gunthardt won 5 Singles titles and 30 Doubles titles. His highest singles ranking was World Number 22.
But it was Doubles where he truly excelled in climbing to a career-high ranking of World Number 3 in July 1985. That year, he won the Wimbledon Doubles title and the Mixed Doubles titles at the French Open and US Open along with tennis legend Martina Navratilova.
Post his tennis playing career, he achieved enormous success as coach of the legendary Steffi Graf throughout her career. He became a familiar face in tennis while being coach of the legendary Graf. He was later coach to Jelena Dokic, Jennifer Capriati and Ana Ivanovic.
In all, he won 4 Grand Slam titles across Doubles and Mixed Doubles categories and retired with prize money earnings of just over 1.5 million USD.
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