2018 Luk Thung Cup – Singles

Main article: 2018 Luk Thung Cup

Pee Saderd was the two-time defending champion, but failed to qualify this year, as he placed 2nd in the race for the wildcard, despite winning two Feud titles.

Seeds
🇷🇺 Marco Andretti 🇨🇦 James Hinchcliffe 🇯🇵 Takuma Sato 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ed Jones 🇹🇷 Spencer Pigot 🇵🇱 Zach Veach 🇧🇷 Tony Kanaan 🇨🇿 Charlie Kimball Matheus Leist Max Chilton 🇺🇸 Ed Carpenter 🇰🇷 Jirayu La-ongmanee