Thomaz Koch Open era doubles finals (3-8) Open era doubles finals (3-8)

| Outcome | Date_ | Tournament | Surface | Partner | Opponents_in_the_final |
|---|---|---|---|---|---|
| Runner-up | 1974 | Gstaad , Switzerland | Clay | Roy Emerson | José Higueras Manuel Orantes |
| Winner | 1975 | Istanbul , Turkey | Outdoor | Colin Dibley | Colin Dowdeswell John Feaver |
| Runner-up | 1982 | Itaparica , Brazil | Carpet | Jose Schmidt | Givaldo Barbosa João Soares |
| Runner-up | 1983 | Bahia , Brazil | Hard | Ricardo Cano | Givaldo Barbosa João Soares |