Thomaz Koch
Open era doubles finals (3-8)
Columns: Outcome | Date | Tournament | Surface | Partner | Opponents in the final
Runner-up | 1968 | Barcelona , Spain | Clay | José Mandarino | Carlos Fernández Patricio Rodríguez | Runner-up | 1969 | London/Queen's Club , U.K. | Grass | Ove Nils Bengtson | Owen Davidson Dennis Ralston | Runner-up | 1971 | Salisbury , U.S. | Carpet | Clark Graebner | Juan Gisbert, Sr. Manuel Orantes | Winner | 1971 | Macon , U.S. | Hard | Clark Graebner | Željko Franulović Jan Kodeš | Runner-up | 1971 | Hampton , U.S. | Hard (i) | Clark Graebner | Ilie Năstase Ion Țiriac | Winner | 1971 | Caracas , Venezuela | Clay | Edison Mandarino | Gerald Battrick Peter Curtis | Runner-up | 1972 | Washington, D.C. , U.S. | Carpet | Clark Graebner | Tom Edlefsen Cliff Richey | 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