After beating India's Kumar Sunil in the qualifiers and Belarusian Yoan Dimitrov in the quarterfinals, it stopped in the quarterfinals for Berg, who lost 3-1 to Istvan Takacs from Hungary.
Alexander Bica went out in the round of 16 against Mihai Radu Mihut from Romania.
Sweden has a bronze medal from the WC through Johanna Mattsson in the ladies' 65-kilo class.
MORE WRESTLING: World Cup bronze to Johanna Matsson (October 6, 2021)
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World Cup bronze for Johanna Mattsson Photo: Bildbyrån