Colin Dibley and Sandy Mayer were the defending champions but only Dibley competed that year with Haroon Rahim.
Bob Hewitt and Frew McMillan were the defending champions but lost in the final 6–4, 6–4 against Raymond Moore and Roscoe Tanner.
Raymond Moore and Roscoe Tanner were the defending champions but lost in the second round to David Graham and John Sadri.
Bob Hewitt and Frew McMillan were the defending champions and won in the final 6–4, 6–3 against Wojciech Fibak and Jan Kodeš.
Anand Amritraj and Vijay Amritraj were the defending champions but lost in the second round to Bob Hewitt and Frew McMillan.
Peter Fleming and John McEnroe were the defending champions, but McEnroe did not participate this year. Fleming partnered Sandy Mayer, losing in the semifinals.
Bob Hewitt and Frew McMillan were the defending champions, but Hewitt did not participate this year. McMillan partnered Bob Carmichael, losing in the semifinals.
Bob Hewitt and Frew McMillan were the defending champions.
Brian Gottfried and Raúl Ramírez were the defending champions, but lost in the quarterfinals this year.
Heinz Günthardt and Paul McNamee were the defending champions, but McNamee did not participate this year. Günthardt partnered Balázs Taróczy, losing in the first round.
Peter Fleming and John McEnroe were the defending champions, but Fleming did not participate this year. McEnroe partnered Bill Maze, losing in the first round.
Wojtek Fibak and Tom Okker were the defending champions.
The event was being held for the first time since 1972.
Bob Hewitt and Frew McMillan were the defending champions, but lost in the semifinals to Peter Fleming and John McEnroe.
Vitas Gerulaitis and Sandy Mayer were the defending champions, but lost in the quarterfinals to Ross Case and Geoff Masters.
Marty Riessen and Margaret Court were the defending champions, but Court did not compete. Riessen partnered with Martina Navrátilová but lost in the second round to Tony Roche and Françoise Dürr.
Ross Case and Geoff Masters were the defending champions, but lost in the second round to Mark Edmondson and John Marks.
Phil Dent and Billie Jean King were the defending champions but only Billie Jean King competed that year with Vitas Gerulaitis. Vitas Gerulaitis and Billie Jean King lost in the final 6–2, 3–6, 6–3 against Frew McMillan and Betty Stöve.
Bob Lutz and Stan Smith were the defending champions but withdrew from the tournament. Jimmy Connors and Ilie Năstase won in the final 6–4, 7–6 against Tom Okker and Marty Riessen.
Bob Hewitt and Frew McMillan were the defending champions but only Frew McMillan competed that year with Bob Carmichael. Bob Carmichael and Frew McMillan lost in the semifinals to John Newcombe and Tom Okker.
