2016 Sibiu Open – Singles

Adrian Ungur was the defending champion but lost in the quarterfinals to Tim Pütz.

Robin Haase won the title after defeating Lorenzo Giustino 7–6(7–2), 6–2 in the final.

Seeds
• # Robin Haase (champion)

• # 🇦🇹 Gerald Melzer (first round)

• # 🇭🇺 Márton Fucsovics (first round, retired)

• # 🇮🇹 Federico Gaio (second round)

• # 🇨🇿 Jan Šátral (quarterfinals)

• # 🇷🇸 Peđa Krstin (first round)

• # 🇷🇸 Miljan Zekić (first round)

• # 🇷🇴 Adrian Ungur (quarterfinals)