User:WilliamF1two/Men's Doubles Nations Cup/1968–1989

1970
''Due to the expansion of the tournament for 1971, there was no relegation, and a unique play-off system. The first two play-offs determined seeding for the following year, while the remaining two determined qualifiers. Seedings were applied for the purposes of these qualifying play-offs.

1977
'' Soviet Union declined to nominate a team for the tournament. Their place in the main draw was taken by lucky losers 🇿🇦 South Africa (Bob Hewitt / Frew McMillan), while the vacant place in the play-offs was taken by 🇫🇷 France (Éric Deblicker / Patrick Proisy).''