2018 ASB Classic – Men's Singles

Jack Sock was the defending champion, but lost in the second round to Peter Gojowczyk. Roberto Bautista Agut won the title, defeating Juan Martín del Potro in the final, 6–1, 4–6, 7–5.

2018 ASB Classic – Men's Singles

Jack Sock was the defending champion, but lost in the second round to Peter Gojowczyk. Roberto Bautista Agut won the title, defeating Juan Martín del Potro in the final, 6–1, 4–6, 7–5.