2018 ASB Classic

The 2018 Auckland Open (sponsored by ASB Bank) was a joint 2018 ATP World Tour and 2018 WTA Tour tennis tournament, played on outdoor hard courts. It was the 33rd edition of the women's event, and the 42nd edition of the men's event. It took place at the ASB Tennis Centre in Auckland, New Zealand, from 1 to 7 January 2018 for the women, and from 8 to 13 January 2018 for the men.

Men's singles

 * 🇪🇸 Roberto Bautista Agut defeated 🇦🇷 Juan Martín del Potro, 6–1, 4–6, 7–5

Women's singles

 * 🇩🇪 Julia Görges defeated Caroline Wozniacki, 6–4, 7–6(7–4)

Men's doubles

 * 🇦🇹 Oliver Marach / Mate Pavić defeated 🇧🇾 Max Mirnyi / 🇦🇹 Philipp Oswald, 6–4, 5–7, [10–7]

Women's doubles

 * 🇮🇹 Sara Errani / Bibiane Schoofs defeated 🇯🇵 Eri Hozumi / 🇯🇵 Miyu Kato, 7–5, 6–1

Prize money
1 Qualifiers' prize money is also the Round of 32 prize money
 * per team

Seeds

 * 1 Rankings as of January 1, 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * Stefanos Tsitsipas
 * 🇳🇿 Michael Venus
 * 🇨🇳 Wu Yibing

The following players received entry from the qualifying draw:
 * 🇲🇩 Radu Albot
 * 🇧🇷 Rogério Dutra Silva
 * 🇳🇴 Casper Ruud
 * 🇺🇸 Tim Smyczek

The following players received entry as lucky losers:
 * 🇮🇹 Liam Caruana
 * 🇯🇵 Taro Daniel
 * 🇸🇰 Lukáš Lacko
 * 🇺🇸 Tennys Sandgren

Withdrawals

 * Before the tournament
 * 🇬🇧 Kyle Edmund → replaced by 🇺🇸 Tennys Sandgren
 * 🇺🇸 Ryan Harrison → replaced by 🇮🇹 Liam Caruana
 * 🇦🇷 Guido Pella → replaced by 🇯🇵 Taro Daniel
 * 🇷🇺 Andrey Rublev → replaced by 🇸🇰 Lukáš Lacko

Seeds

 * 1 Rankings as of January 1, 2018.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇮🇳 Leander Paes / 🇮🇳 Purav Raja
 * 🇺🇸 Jack Sock / 🇺🇸 Jackson Withrow

The following pair received entry as alternates:
 * 🇲🇩 Radu Albot / 🇺🇸 Tennys Sandgren

Withdrawals

 * Before the tournament
 * 🇦🇷 Guido Pella


 * During the tournament
 * Pablo Cuevas

Seeds

 * 1 Rankings as of December 25, 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇹 Sara Errani
 * 🇺🇸 Sofia Kenin
 * 🇳🇿 Jade Lewis

The following players received entry from the qualifying draw:
 * 🇧🇪 Ysaline Bonaventure
 * Jana Fett
 * 🇸🇰 Viktória Kužmová
 * 🇺🇸 Sachia Vickery

Seeds

 * 1 Rankings as of December 25, 2017.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇳🇿 Paige Mary Hourigan / 🇳🇿 Erin Routliffe
 * Hsieh Shu-ying / 🇳🇿 Jade Lewis