2013 Košice Open – Singles

Aljaž Bedene was the defending champion but chose to compete in the 2013 Aegon Championships instead.

Mikhail Kukushkin won the title defeating Damir Džumhur in the final, 6–4, 1–6, 6–2.

Seeds
• # 🇨🇿 Jan Hájek (first round)

• # 🇷🇴 Adrian Ungur (first round)

• # João Sousa (second round)

• # 🇷🇺 Teymuraz Gabashvili (first round)

• # 🇹🇳 Malek Jaziri (first round)

• # 🇸🇰 Andrej Martin (quarterfinals)

• # 🇺🇦 Ivan Sergeyev (first round)

• # Antonio Veić (quarterfinals)