Thomaz Koch is a left-handed former tennis

Tennis

Tennis is a sport usually played between two players or between two teams of two players each . Each player uses a racket that is strung to strike a hollow rubber ball covered with felt over a net into the opponent's court. Tennis is an Olympic sport and is played at all levels of society at all...

 player from Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, who won two gold medals in the men's tennis competition at the 1967 Pan American Games

1967 Pan American Games

The 5th Pan American Games were held in Winnipeg, Manitoba, Canada, from July 23 to August 6, 1967.Winnipeg was chosen as host of the Pan American Games on its second try. It first bid for the fourth Pan American Games at the 1959 PASO meeting in Chicago. It lost to São Paulo, Brazil...

.

Koch achieved a career-high singles ranking of World Number 24 which he reached on December 20, 1974. He reached his career-high doubles ranking on January 3, 1983, when he became World Number 60.

Open-Era singles titles (2)

No.	Date	Tournament	Surface	Opponent in the final	Score
1.	1969	Caracas, Venezuela	Clay	Mark Cox	8–6, 6–3, 2–6, 6–4
2.	1969	Washington, U.S. Legg Mason Tennis Classic The Legg Mason Tennis Classic is an annual late-summer men's tennis tournament played in Washington, D.C. as part of the ATP Tour. It was first held in 1969. It was later known as the Sovran Bank Classic. . Originally an event of the Grand Prix Tennis Tour and part of the Grand Prix Championship...	Hard	Arthur Ashe	7–5, 9–7, 4–6, 2–6, 6–4
3.	1971	Caracas, Venezuela	Clay	Manuel Orantes Manuel Orantes Manuel Orantes Corral was a tennis champion in the 1970s and 1980s. He won the US Open in 1975, beating defending champion Jimmy Connors in the final.-Career:...	7–6, 6–1, 6–3

Runner-ups (2)

No.	Date	Tournament	Surface	Opponent in the final	Score
1.	1976	Khartoum, Sudan	Hard	Mike Estep Mike Estep Mike Estep is a former professional tennis player from the United States.During his career Estep won 2 singles titles and 7 doubles titles. He achieved a career-high singles ranking of World No. 59 in 1973 and a career-high doubles ranking of World No...	4–6, 7–6, 4–6, 3–6
2.	1976	Nuremberg, Germany	Carpet	Frew McMillan Frew McMillan Frew Donald McMillan is a former professional male tennis player from South Africa.He won five major doubles championships including three Wimbledons with Bob Hewitt. The most notable aspect of his game was that he had both a two-handed backhand and forehand, which simultaneously increased his...	6–2, 3–6, 4–6

Doubles titles (3)

No.	Date	Tournament	Surface	Partnering	Opponent in the final	Score
1.	1971	Macon Macon, Georgia Macon is a city located in central Georgia, US. Founded at the fall line of the Ocmulgee River, it is part of the Macon metropolitan area, and the county seat of Bibb County. A small portion of the city extends into Jones County. Macon is the biggest city in central Georgia... , U.S.	Hard	Clark Graebner Clark Graebner Clark Graebner , is a retired American professional tennis player, originally from Cleveland, Ohio, who won a number of championships. He graduated from Northwestern University, where he joined the Delta Upsilon fraternity. Graebner's deceased wife, Carole, was also a successful touring tennis...	Željko Franulović Željko Franulovic Željko Franulović is a former Croatian tennis player who competed for Yugoslavia, best remembered for reaching the final of the French Open in 1970 where he lost against Czech Jan Kodeš in straight sets...     Jan Kodeš Jan Kodeš Jan Kodeš is a right-handed Czech former tennis player who won three Grand Slam events in the early-1970s.Kodeš's greatest success was on the clay courts of the French Open. He won the title there in 1970, beating Željko Franulović in the final, and in 1971, defeating Ilie Năstase in the final...	6–3, 7–6
2.	1971	Caracas Caracas Caracas , officially Santiago de León de Caracas, is the capital and largest city of Venezuela; natives or residents are known as Caraquenians in English . It is located in the northern part of the country, following the contours of the narrow Caracas Valley on the Venezuelan coastal mountain range... , Venezuela Venezuela Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...	Clay	Edison Mandarino	Gerald Battrick Gerald Battrick Gerald Battrick was a Welsh tennis player who reached as high as third in the British rankings.Battrick won the junior titles of Great Britain, Belgium and France and represented Britain in the Davis Cup. In 1965 he won the French Open boys division.-External links:...     Peter Curtis	6–4, 3–6, 6–7, 6–4, 7–6
3.	1975	Istanbul Istanbul Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and... , Turkey Turkey Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...	Outdoor	Colin Dibley Colin Dibley Colin Dibley is a former tennis player from Australia.Dibley once held the title for the fastest serve in the world at 148 m.p.h. During his professional career, he also won four singles and seventeen doubles titles...	Colin Dowdeswell Colin Dowdeswell Colin Dowdeswell , is a former professional tennis player who represented, at different times, Rhodesia, Zimbabwe, Switzerland, and the United Kingdom. During his time on the world tour, he won 1 singles titles and 11 doubles titles...     John Feaver John Feaver John Feaver is a former professional tennis player from the United Kingdom.Feaver enjoyed most of his tennis success while playing doubles. During his career he won 1 doubles title and finished runner-up another 9 times. He achieved a career-high doubles ranking of World No...	6–2, 6–2, 6–2

Mixed doubles: (1)

Year	Championship	Partner	Opponents in final	Score in final
1975	French Open	Fiorella Bonicelli Fiorella Bonicelli Fiorella Bonicelli is a retired professional tennis player from Uruguay. During her career, she won the 1975 French Open mixed doubles title with Thomas Koch. She also won the 1976 French Open women's doubles title with Gail Lovera, defeating Kathy Harter and Helga Niessen Masthoff 6–4, 1–6, 6–3....	Jaime Fillol Jaime Fillol Jaime Fillol is a former tennis player from Chile. He played amateur and professional tennis in the 1960s and 1970s.Fillol was ranked as high as world number 14 in singles on the ATP Rankings and number 82 in doubles .In the Open era , Fillol won seven singles titles and 15 doubles titles...   Pam Teeguarden Pam Teeguarden Pam Teeguarden was an American professional tennis player in the 1970s and 1980s, reaching the top 30 in the world. Her father Jerry, together with Teeguarden, helped Virginia Wade to her 1977 Wimbledon triumph....	6–4, 7–6