2018 Irving Tennis Classic – Singles

Aljaž Bedene was the defending champion but chose not to defend his title.

Mikhail Kukushkin won the title after defeating Matteo Berrettini 6–2, 3–6, 6–1 in the final.

Seeds
• # 🇯🇵 Yūichi Sugita (first round)

• # 🇺🇸 Jared Donaldson (second round)

• # 🇺🇸 Steve Johnson (semifinals)

• # 🇭🇺 Márton Fucsovics (semifinals)

• # 🇫🇷 Gilles Simon (second round)

• # 🇩🇪 Maximilian Marterer (first round)

• # 🇷🇺 Evgeny Donskoy (withdrew)

• # 🇮🇹 Thomas Fabbiano (first round)