[6][7] He played on the 1978 U.S. Davis Cup team in with John McEnroe, Brian Gottfried, and Harold Solomon.

During his career, he won 9 ATP Tour doubles titles and finished runner-up an additional 11 times.

[3] Winitsky also was a quarter finalist in mixed doubles partnering with Rayni Fox Borinsky at the 1980 US Open.

His titles included 1981 Hong Kong Seiko Open over Mark Edmondson of Australia, 1982 Hollywood Bowl Classic in Guaruja, Brazil over Carlos Kirmayr of Brazil, and 1982 Hilton Head Shipyard WCT over Chris Lewis of New Zealand in the finals.

[3] In 1985, he retired from ATP Tour after winning the WTT conference championships for the Miami Beach Breakers.