Pedro Sousa Pedro Barreiros Cardoso de Sousa (; born 27 May 1988) is a Portuguese tennis coach and a former professional player who primarily competed on the ATP Challenger Tour. In February 2019, he achieved a career-high singles ranking of world No. 99. ...

was the defending champion but lost in the first round to

Cristian Garín Cristian Ignacio Garín Medone (; born 30 May 1996) is a Chilean professional tennis player. He has been ATP rankings, ranked as high as world No. 17 by the Association of Tennis Professionals, ATP in singles, achieved on 13 September 2021. He ...

Salvatore Caruso Salvatore Caruso (; born 15 December 1992) is an Italian former professional tennis player. He has a career high ATP singles ranking of No. 76 achieved on 16 November 2020. He also has a career high ATP doubles ranking of No. 166 achieved on 18 ...

won the title after defeating Garín 7–5, 6–4 in the final.

Seeds

Draw

Finals

Top half

Bottom half

References

Main drawQualifying draw
{{DEFAULTSORT:Citta di Como Challenger - Singles, 2018 2018 ATP Challenger Tour

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 ...