2014 Nottingham Challenge – Men's singles

Steve Johnson was the defending champion, but chose to compete in the 2014 Gerry Weber Open instead.

Nick Kyrgios won the title, defeating Samuel Groth in the final, 7–6(7–3), 7–6(9–7).

Seeds

 * 1) 🇯🇵 Go Soeda (first round)
 * 2) 🇱🇺 Gilles Müller (quarterfinals)
 * 3) 🇩🇪 Andreas Beck (first round)
 * 4) 🇯🇵 Tatsuma Ito (quarterfinals)
 * 5) 🇦🇺 Samuel Groth (final)
 * 6) 🇯🇵 Yūichi Sugita (first round)
 * 7) 🇷🇴 Marius Copil (quarterfinals)
 * 8) 🇺🇸 Rajeev Ram (semifinals)