2018 ASB Classic – Men's singles

Men's singles
2018 ASB Classic
Champion Roberto Bautista Agut
Runner-up Juan Martín del Potro
Score6–1, 4–6, 7–5
Draw28 (4 Q / 3 WC )
Seeds8

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.