Lloyd, who was born in Sydney, won the junior doubles title at the 1968 Australian Championships, partnering Phil Dent.

[1] He joined the University of Southern Illinois in 1969 where he played collegiate tennis and he spent the 1970s competing on the professional circuit, as well as World TeamTennis.

He lost a marathon match at the 1972 Wimbledon Championships to Wanaro N'Godrella, 9–11 in the fifth set.

At the 1975 US Open he and Phil Dent had a win over Björn Borg and Rod Laver en route to the quarter-finals.

His best performance in a grand slam tournament was a semi-final appearance in the mixed doubles at the 1978 French Open, with Trish Bostrom.