Marin Čilić Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. He has been ranked world No. 3 in men's singles by the Association of Tennis Professionals (ATP), achieved on 28 January 2018. Čilić has won 21 ATP Tour-level si ...

was the defending champion, but lost in the second round to

Malek Jaziri Malek Jaziri (; born January 20, 1984) is a Tunisian former professional tennis player. Jaziri reached his highest singles ranking on the ATP Tour of World 42 in January 2019. He primarily played on the Futures circuit and the Challenger circ ...

Taro Daniel is an American-Japanese professional tennis player. He achieved a career-high singles ranking of world No. 58 on 15 January 2024. He has won one ATP Tour singles title at the 2018 Istanbul Open, as well as nine ATP Challenger Tour singles ti ...

won his first

ATP World Tour The ATP Tour (known as ATP World Tour between January 2009 and December 2018) is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals (ATP) founded in 1990 that replaced the earlier dual Grand Pri ...

title, defeating Jaziri in the final, 7–6^(7–4), 6–4.

Seeds

The top four

seeds In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the ...

receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:Istanbul Open - Singles, 2018 2018 ATP World Tour 2018 in Istanbul

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 ...

2018 in Turkish tennis