| | Event type
Light-Heavyweight, Greco-Roman (≤82.5 kilograms), Men
| Date | 16 – 20 August 1920 | |
|---|---|---|
| Status | Olympic | |
| Location | Feestzaal, Koninklijke Zoölogische Maatschappij, Antwerpen | |
| Participants | 18 from 11 countries | |
| Format | Single-elimination tournament. All those losing to the winner wrestle in a single-elimination tournament for 2nd-place. All those losing to the runner-up then wrestle in a single-elimination tournament for 3rd-place. | |
Claes Johanson had been Olympic champion in 1912 in the middleweight A class. Antwerp was really the end of his great career, although he competed without success in the heavyweight class at the 1924 Olympics. In his career Johansson won two Olympic gold medals, and was also European champion in 1913.
| Pos | Competitor(s) | NOC | |||
|---|---|---|---|---|---|
| 1 | Claes Johanson |  SWE | Gold | ||
| 2 | Edil Rosenqvist |  FIN | Silver | ||
| 3 | Johannes Eriksen |  DEN | Bronze | ||
| AC r5/5 | Jan Sint |  NED | |||
| AC r4/5 | Émile Wahlen |  BEL | |||
| AC r4/5 | Axel Tetens | DEN | |||
| AC r3/5 | Guillaume Snoeck | BEL | |||
| AC r3/5 | August Rajala | FIN | |||
| AC r3/5 | Frank Maichle |  USA | |||
| AC r2/5 | Herman Kruusenberg |  EST | |||
| AC r2/5 | Battista Cardinale |  ITA | |||
| AC r2/5 | Bruto Testoni | ITA | |||
| AC r2/5 | Sven Ohlsson | SWE | |||
| AC r2/5 | František Kocián |  TCH | |||
| AC r2/5 | František Tázler | TCH | |||
| AC r2/5 | Nat Pendleton | USA | |||
| AC r1/5 | Marcel Douvinet |  FRA | |||
| AC r1/5 | Oscar Theisen |  LUX |
Round One (16 August 1920)
| Match #1 | Sven Ohlsson | SWE | fall (1:21) | Marcel Douvinet | FRA |
| Match #2 | František Tázler | TCH | fall (0:24) | Oscar Theisen | LUX |
Round Two (17 – 18 August 1920)
| Match #1 | Claes Johanson | SWE | decision (29:15) | Edil Rosenqvist | FIN |
| Match #2 | Johannes Eriksen | DEN | DQ (18:03) | Nat Pendleton | USA |
| Match #3 | Axel Tetens | DEN | decision (25:00) | Herman Kruusenberg | EST |
| Match #4 | Frank Maichle | USA | decision (25:00) | Sven Ohlsson | SWE |
| Match #5 | Jan Sint | NED | fall (24:45) | Bruto Testoni | ITA |
| Match #6 | Guillaume Snoeck | BEL | fall (31:52) | František Kocián | TCH |
| Match #7 | Émile Wahlen | BEL | decision (25:00) | Battista Cardinale | ITA |
| Match #8 | August Rajala | FIN | fall (14:58) | František Tázler | TCH |
Quarter-Finals (19 August 1920)
| Match #1 | Claes Johanson | SWE | fall (6:39) | Johannes Eriksen | DEN |
| Match #2 | Axel Tetens | DEN | fall (0:22) | Frank Maichle | USA |
| Match #3 | Jan Sint | NED | fall (16:30) | Guillaume Snoeck | BEL |
| Match #4 | Émile Wahlen | BEL | fall (25:40) | August Rajala | FIN |
Semi-Finals (19 August 1920)
| Match #1 | Claes Johanson | SWE | fall (16:57) | Axel Tetens | DEN |
| Match #2 | Jan Sint | NED | fall (7:06) | Émile Wahlen | BEL |
Final Round (20 August 1920)
| Match 1/2 | Claes Johanson | SWE | fall (17:32) | Jan Sint | NED |
2nd-Place Semi-Finals (20 August 1920)
| Match #1 | Johannes Eriksen | DEN | fall (4:54) | Jan Sint | NED |
| Match #2 | Edil Rosenqvist | FIN | fall (0:36) | Axel Tetens | DEN |
2nd-Place Final Round (20 August 1920)
| Match #1 | Edil Rosenqvist | FIN | fall (1:30) | Johannes Eriksen | DEN |
3rd-Place Final Round (20 August 1920)
| Match #1 | Johannes Eriksen | DEN | walkover |