Cedrik-Marcel Stebe Cedrik-Marcel Stebe (; born 9 October 1990) is a German professional tennis player. He reached his career-high singles ranking of world No. 71 in February 2012. Career 2011: Grand Slam and Top 100 debuts He reached his first ATP World Tour quart ...

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

Dragoș Dima Dragoș Dima (born 16 June 1992 in Ploiești) is a Romanian professional tennis player. He has a career high ATP singles ranking of 279 achieved on 24 September 2018. He also has a career high ATP doubles ranking of 491 achieved on 06 May 2019. ...

won the title after defeating

Jelle Sels Jelle Sels (born 10 August 1995) is a Dutch tennis player. Sels competes mainly in the Challenger tour circuit. He has a career high ATP singles ranking of world No. 127 achieved on 28 November 2022. He also has a career high doubles ranking of ...

6–3, 6–2 in the final.

Seeds

Draw

Finals

Top half

Bottom half

References

Main DrawQualifying Draw
{{DEFAULTSORT:2018 Sibiu Open - Singles Sibiu Open - 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 ...