Brisbane International 2018
Nick Kyrgios won the title, beating Ryan Harrison 6–4 6–2 in the final.
Main draw 28 players
- 1🇧🇬Grigor Dimitrov#135Semifinals · Lost to Nick Kyrgios
- 3🇦🇺Nick KyrgiosFinal · Champion
- 4🇨🇦Milos RaonicRound of 16 · Lost to Alex de Minaur
- 5🇱🇺Gilles MullerRound of 32 · Lost to Hyeon Chung
- 6🇦🇷Diego SchwartzmanRound of 32 · Lost to Alexandr Dolgopolov
- 7🇧🇦Damir Dzumhur#90Round of 32 · Lost to Denis Istomin
- 8🇩🇪Mischa ZverevRound of 16 · Lost to Michael Mmoh
- 🇺🇸Ryan HarrisonFinal · Lost to Nick Kyrgios
- WC🇦🇺Alex de Minaur#9Semifinals · Lost to Ryan Harrison
- 🇺🇦Alexandr DolgopolovQuarterfinals · Lost to Nick Kyrgios
- 🇺🇿Denis IstominQuarterfinals · Lost to Ryan Harrison
- 🇬🇧Kyle EdmundQuarterfinals · Lost to Grigor Dimitrov
- Q🇺🇸Michael Mmoh#150Quarterfinals · Lost to Alex de Minaur
- 🇦🇷Horacio ZeballosRound of 16 · Lost to Alexandr Dolgopolov
- 🇰🇷Hyeon ChungRound of 16 · Lost to Kyle Edmund
- 🇺🇸Jared DonaldsonRound of 16 · Lost to Denis Istomin
- WC🇦🇺John MillmanRound of 16 · Lost to Grigor Dimitrov
- 🇦🇺Matthew EbdenRound of 16 · Lost to Nick Kyrgios
- LL🇩🇪Yannick Hanfmann#67Round of 16 · Lost to Ryan Harrison
- 🇨🇦Denis Shapovalov#50Round of 32 · Lost to Kyle Edmund
- Q🇲🇽Ernesto EscobedoRound of 32 · Lost to Horacio Zeballos
- 🇦🇷Federico DelbonisRound of 32 · Lost to Michael Mmoh
- 🇺🇸Frances Tiafoe#8Round of 32 · Lost to Matthew Ebden
- Q🇦🇺John Patrick SmithRound of 32 · Lost to Mischa Zverev
- WC🇦🇺Jordan ThompsonRound of 32 · Lost to Jared Donaldson
- 🇦🇷Leonardo MayerRound of 32 · Lost to Ryan Harrison
- Q🇨🇦Peter PolanskyRound of 32 · Lost to John Millman
- 🇺🇸Steve Johnson#426Round of 32 · Lost to Alex de Minaur