Thomaz Koch

Thomaz Koch
Koch in 2018
Country (sports) Brazil
ResidencePorto Alegre, Brazil
Born (1945-05-11) 11 May 1945
Porto Alegre, Brazil
Turned pro1968 (amateur from 1961)
Retired1985
PlaysLeft-handed (one-handed backhand)
Singles
Career record556–341
Career titles36
Highest rankingNo. 12 (1967)
Grand Slam singles results
French OpenQF (1968)
WimbledonQF (1967)
US OpenQF (1963)
Doubles
Career record111–99 (Open era)
Career titles3 (Open era)
Grand Slam doubles results
WimbledonSF (1971)
Mixed doubles
Grand Slam mixed doubles results
French OpenW (1975)
WimbledonQF (1971)
Medal record
Representing  Brazil
Tennis, Pan American Games
1967 WinnipegMen's Singles
1967 WinnipegMen's Doubles

Thomaz Koch (born 11 May 1945) is a former tennis player from Brazil. He won one Grand Slam title in mixed doubles at the 1975 French Open. In singles he was a quarterfinalist in singles at the French Open, Wimbledon and the U.S. National Championships. Koch was active from 1961 to 1985 and played close to 900 singles matches, and won 36 career singles titles. He was ranked World No 12 player for 1967. His highest computer ranking which was past his peak period in the ATP singles ranking was No. 24 (achieved on December 20, 1974). In addition he also won 5 challenger satellite tour tiles towards the end of his career. He won also two gold medals in the men's tennis competition at the 1967 Pan American Games.

He played his first tournament in 1961 at the Santos Open where he reached the final. He won his first senior title in 1964 at the Swiss International Championships against compatriot Ronald Barnes. He won his final main tour title in 1976 at the Malta International against Britain's Roger Taylor. He played his final singles tournament in 1984 at the Guarujá Open in 1984. He also won the Wimbledon Plate twice, in 1969 and 1975.