Highest margin of victory in an Olympic singles tennis match (male)

According to Official Guinness Records,

The highest margin of victory in an Olympic single tennis match (male) is 12 games, achieved by John Millman (Australia) in his match against Ricardas Berankis (Lithuania), in Rio de Janeiro, Brazil, on 6 August 2016. Millman won the match 6-0, 6-0 in the first "double-bagel" victory in Olympic history.

For a complete list of 2016 records, please visit 2016 Guinness Records in Brazil.

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