Cássio Motta Doubles (10) Doubles (10)

| Outcome | Date_ | Championship | Surface | Partner | Opponents_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|---|
| Winner | 24 September 1979 | Madrid , Spain | Clay | Carlos Kirmayr | Robin Drysdale John Feaver | 7–6, 6–4 |
| Runner-up | 8 October 1979 | Barcelona , Spain | Clay | Carlos Kirmayr | Paolo Bertolucci Adriano Panatta | 4–6, 3–6 |
| Runner-up | 8 June 1981 | Brussels , Belgium | Clay | Carlos Kirmayr | Ricardo Cano Andrés Gómez | 2–6, 2–6 |
| Runner-up | 18 January 1982 | Guarujá , Brazil | Clay | Carlos Kirmayr | Phil Dent Kim Warwick | 7–6, 2–6, 3–6 |
| Winner | 7 June 1982 | Venice , Italy | Clay | Carlos Kirmayr | José Luis Clerc Ilie Năstase | 6–4, 6–2 |
| Runner-up | 4 October 1982 | Barcelona, Spain | Clay | Carlos Kirmayr | Anders Järryd Hans Simonsson | 3–6, 2–6 |