2018 Brisbane International

The 2018 Brisbane International was a tournament on the 2018 ATP World Tour and 2018 WTA Tour. It was played on outdoor hard courts in Brisbane, Queensland, Australia. It was the tenth edition of the tournament and took place at the Queensland Tennis Centre in Tennyson. It was held from 31 December 2017 to 7 January 2018 as part of the Australian Open Series in preparation for the first Grand Slam of the year. Rafael Nadal and Andy Murray were about to start their 2018 seasons at the tournament, but both withdrew due to continuous injuries. On 5 October 2017, defending champions Grigor Dimitrov and Karolína Plíšková announced they would also compete.

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Points and prize money

Prize money

_{¹Qualifiers prize money is also the Round of 32 prize money.}
_{*per team}

ATP singles main-draw entrants

Seeds

¹ Rankings are as of 25 December 2017.

Other entrants

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

The following player received entry as a lucky loser:

Yannick Hanfmann

Withdrawals

;Before the tournament

Andy Murray → replaced by Yannick Hanfmann
Rafael Nadal → replaced by Matthew Ebden
Kei Nishikori → replaced by Frances Tiafoe

Retirements

Denis Istomin

ATP doubles main-draw entrants

Seeds

¹ Rankings are as of 25 December 2017.

Other entrants

The following pair received a wildcard into the doubles main draw:

Lleyton Hewitt / Jordan Thompson

Withdrawals

;During the tournament

Ryan Harrison

WTA singles main-draw entrants

Seeds

¹ Rankings are as of 25 December 2017.

Other entrants

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

The following player received entry as a lucky loser:

Heather Watson

Withdrawals

;Before the tournament

Petra Kvitová → replaced by Heather Watson
Magdaléna Rybáriková → replaced by Catherine Bellis
Sloane Stephens → replaced by Ana Konjuh
Elena Vesnina → replaced by Tatjana Maria

Retirements

WTA doubles main-draw entrants

Seeds

¹ Rankings are as of 25 December 2017.

Other entrants

The following pairs received a wildcard into the doubles main draw:

The following pair received entry as an alternate:

Sorana Cîrstea / Anastasija Sevastova

Withdrawals

;Before the tournament

Carla Suárez Navarro

Champions

Men's singles

Nick Kyrgios def. Ryan Harrison, 6–4, 6–2

Women's singles

Elina Svitolina def. Aliaksandra Sasnovich, 6–2, 6–1

Men's doubles

Henri Kontinen / John Peers def. Leonardo Mayer / Horacio Zeballos, 3–6, 6–3,

Women's doubles

Kiki Bertens / Demi Schuurs def. Andreja Klepač / María José Martínez Sánchez, 7–5, 6–2