2016 Ethias Trophy – Singles

Illya Marchenko was the defending champion but lost in the second round to Vincent Millot.

Jan-Lennard Struff won the title after defeating Millot 6–2, 6–0 in the final.

Seeds
• # 🇺🇦 Illya Marchenko (second round)

• # 🇩🇪 Dustin Brown (first round)

• # 🇫🇷 Paul-Henri Mathieu (quarterfinals)

• # 🇫🇷 Jérémy Chardy (second round)

• # 🇱🇹 Ričardas Berankis (quarterfinals)

• # 🇩🇪 Jan-Lennard Struff (champion)

• # Ivan Dodig (first round)

• # 🇲🇩 Radu Albot (second round)