Demetrios Petrokokkinos was a Greek

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 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. He competed at the 1896 Summer Olympics

1896 Summer Olympics

The 1896 Summer Olympics, officially known as the Games of the I Olympiad, was a multi-sport event celebrated in Athens, Greece, from April 6 to April 15, 1896. It was the first international Olympic Games held in the Modern era...

 in Athens

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

.

Petrokokkinos was defeated in the first round of the singles tournament

Tennis at the 1896 Summer Olympics - Men's singles

-References:...

 by fellow Greek Evangelos Rallis

Evangelos Rallis

Evangelos Rallis was a Greek tennis player. He competed at the 1896 Summer Olympics in Athens.Rallis defeated fellow Greek Demetrios Petrokokkinos in the first round of the singles tournament. In the second round, though, he faced John Pius Boland of Great Britain and Ireland. He lost to the...

. This put him in a six-way tie for eighth (last) place among the thirteen man field.

In the doubles tournament, Petrokokkinos again faced Rallis in the first round. This time, Petrokokkinos and his partner Dionysios Kasdaglis

Dionysios Kasdaglis

Dionysios Kasdaglis was a Greek-Egyptian tennis player. He competed in the 1896 Summer Olympics in Athens.-Career:Kasdaglis, the only competitor from Egypt, made it to the finals in both the singles and doubles events...

 of Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 defeated Rallis and his partner Konstantinos Paspatis

Konstantinos Paspatis

Konstantinos Paspatis was a Greek tennis player. He competed at the 1896 Summer Olympics in Athens. Born in Liverpool, England 5 June 1878 and died in Athens 14 March 1903....

. Petrokokkinos and Kasdaglis faced Edwin Flack of Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and George S. Robertson

George S. Robertson

George Stuart Robertson was a British athlete, tennis player, and classical scholar. He competed at the 1896 Summer Olympics in Athens....

 of Great Britain and Ireland

United Kingdom of Great Britain and Ireland

The United Kingdom of Great Britain and Ireland was the formal name of the United Kingdom during the period when what is now the Republic of Ireland formed a part of it....

 in the semifinals, again winning the match to advance to the final. There, they met Irishman John Pius Boland

John Pius Boland

John Mary Pius Boland was an Irish Nationalist politician, and Member of Parliament in the House of Commons of the United Kingdom of Great Britain and Ireland and as member of the Irish Parliamentary Party for South Kerry 1900-1918...

 and German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 Friedrich Traun

Friedrich Traun

Friedrich Adolph Traun was a German athlete and tennis player.He competed at the 1896 Summer Olympics in Athens — the first modern Olympic games...

, to whom they lost to place second.