Stefanos Tsitsipas Stefanos Tsitsipas (, ; born 12 August 1998) is a Greek professional tennis player. He has been ATP rankings, ranked as high as world No. 3 in men's singles by the Association of Tennis Professionals (ATP), first achieved in August 2021 – mak ...

was the defending champion but chose not to defend his title.

Lorenzo Sonego Lorenzo Sonego (; born 11 May 1995) is an Italian professional tennis player. Sonego has won four singles titles on the ATP Tour, and two doubles titles. He has a career high Association of Tennis Professionals, ATP singles ATP rankings, ranking o ...

won the title after defeating Dustin Brown 6–2, 6–1 in the final.

Seeds

Draw

Finals

Top half

Bottom half

References

Main DrawQualifying Draw
AON Open Challenger - Singles

2018 Singles Eighteen or 18 may refer to: * 18 (number) * One of the years 18 BC, AD 18, 1918, 2018 Film, television and entertainment * ''18'' (film), a 1993 Taiwanese experimental film based on the short story ''God's Dice'' * ''Eighteen'' (film), a 2 ...

AON