Riessen played tennis and was captain of the basketball team at Northwestern University... Biggest singles title came in 1975 when he won the U.S. Pro Indoor at Philadelphia over Gerulaitis... He and Tom Okker were one of the most formidable doubles teams of their day, winning the U.S. Open in 1976... A former standout in World TeamTennis, he won Rookie-of-the-Year honors in 1975 at the age of 34... Riessen is the king of gentleman and statesman that makes tennis an enjoyable sport for the press and the public... Residence: Boca West, Florida.