Estonia competed as a nation for the first time at the Summer Olympic Games at the 1920 Summer Olympics in Antwerp, Belgium. Estonia sent 14 athletes and 4 representatives to those games.Representatives were Ado Anderkopp, Leopold Tõnson, William Fiskar and Karl Metti.
Men's 100 Metres
Reinhold Saulmann
Round 1 Heat 10: – dns (→ no ranking)
Men's 200 Metres
Reinhold Saulmann
Round 1 Heat 10: – 5th 25,4s (→ did not advance)
Men's 400 Metres
Reinhold Saulmann
Round 1 Heat 5: – 3rd 52,2s (51,6) NR (→ did not advance)
Men's 800 Metres
Johannes Villemson
Round 1 Heat 4: – 6th 2.00,2 NR (→ did not advance)
Men's 1500 Metres
Johannes Villemson
Round 1 Heat 4: – 3rd 4.14,2 dsq (→ did not advance)
Men's Marathon
Jüri Lossmann
Men's 3000 Metres Walk
Eduard Hermann
First heat 1: – dsq (→ did not advance)
Men's 10000 Metres Walk
Eduard Hermann
First heat 1: – dsq (→ did not advance)
Men's Pole Vault
Johann Martin
Qualification – 3.30m (→ did not advance)
Men's Shot Put
Harald Tammer
Final – 13.605m (→ 6th place)
Men's Javelin Throw
Aleksander Klumberg
Men's Pentathlon
Aleksander Klumberg
Men's Decathlon
Aleksander Klumberg
Men's Greco-Roman Featherweight (60,0 kg)
Eduard Pütsep
First round – defeated Henri Dierickx Belgium (BEL) with points.
Second round – defeated Wilhelm Olsen Norway (NOR) with points.
Quarterfinal – defeated Josef Beránek Czechoslovakia (TCH) with points.
Semifinal – lost to Heikki Kähkönen Finland (FIN) with points.
Match to third place – lost to Aage Torgensen Denmark (DEN) with points. (→ did not advance, 6th place)
Men's Greco-Roman Middleweight (75,0 kg)
Mihkel Müller
First round – dsq against Sotirios Notaris Greece (GRE) (→ did not advance)
Men's Greco-Roman Light heavyweight (82,5 kg)
Herman Kruusenberg
First round – bye
Second round – lost to Axel Tetens Denmark (DEN) with points. (→ did not advance)
Men's Greco-Roman Heavyweight (+82,5 kg)
Artur Kukk
First round – bye
Second round – lost to Edmond Dame France (FRA) by fall. (→ did not advance)
