Washington Open 2018
Alexander Zverev won the title, beating Alex de Minaur 6–2 6–4 in the final.
Main draw 48 players
- 1🇩🇪Alexander Zverev#1Final · Champion
- 2🇺🇸John IsnerRound of 32 · Lost to Noah Rubin
- 3🇧🇪David GoffinQuarterfinals · Lost to Stefanos Tsitsipas
- 4🇬🇧Kyle EdmundRound of 32 · Lost to Andy Murray
- 6🇫🇷Lucas PouilleRound of 16 · Lost to Denis Kudla
- 7🇯🇵Kei NishikoriQuarterfinals · Lost to Alexander Zverev
- 8🇰🇷Hyeon ChungRound of 16 · Lost to Alex de Minaur
- 9🇨🇦Denis Shapovalov#50Round of 16 · Lost to Kei Nishikori
- 10🇬🇷Stefanos Tsitsipas#36Semifinals · Lost to Alexander Zverev
- 11🇺🇸Steve Johnson#426Round of 32 · Lost to Alex de Minaur
- 12🇷🇺Karen Khachanov#24Round of 32 · Lost to Denis Kudla
- 13🇺🇸Frances Tiafoe#8Round of 16 · Lost to David Goffin
- 14🇫🇷Jeremy ChardyRound of 32 · Lost to Marius Copil
- 15🇩🇪Mischa ZverevRound of 16 · Lost to Alexander Zverev
- 16🇷🇺Andrey Rublev#23Semifinals · Lost to Alex de Minaur
- 🇦🇺Alex de Minaur#9Final · Lost to Alexander Zverev
- 🇬🇧Andy MurrayQuarterfinals · Lost to Alex de Minaur
- 🇺🇸Denis KudlaQuarterfinals · Lost to Andrey Rublev
- PR🇦🇺James Duckworth#76Round of 16 · Lost to Stefanos Tsitsipas
- 🇷🇴Marius CopilRound of 16 · Lost to Andy Murray
- WC🇺🇸Noah RubinRound of 16 · Lost to Andrey Rublev
- WC🇷🇺Daniil Medvedev#5Round of 32 · Lost to Denis Shapovalov
- Q🇺🇸Donald YoungRound of 32 · Lost to Kei Nishikori
- 🇵🇱Hubert Hurkacz#30Round of 32 · Lost to Frances Tiafoe
- 🇺🇸Jared DonaldsonRound of 32 · Lost to Stefanos Tsitsipas
- LL🇦🇺Jason KublerRound of 32 · Lost to James Duckworth
- 🇹🇳Malek JaziriRound of 32 · Lost to Alexander Zverev
- CYPMarcos BaghdatisRound of 32 · Lost to Hyeon Chung
- 🇫🇷Pierre Hugues HerbertRound of 32 · Lost to David Goffin
- WC🇺🇸Tim SmyczekRound of 32 · Lost to Mischa Zverev
- WC🇺🇸Tommy Paul#13Round of 32 · Lost to Andrey Rublev
- Q🇫🇷Vincent MillotRound of 32 · Lost to Lucas Pouille
- Q🇦🇺Alex Bolt#171Round of 64 · Lost to Tommy Paul
- 🇫🇷Benoit PaireRound of 64 · Lost to Marcos Baghdatis
- 🇷🇺Evgeny DonskoyRound of 64 · Lost to Malek Jaziri
- 🇧🇾Ilya Ivashka#223Round of 64 · Lost to Hubert Hurkacz
- 🇦🇺Jordan ThompsonRound of 64 · Lost to Jared Donaldson
- 🇸🇰Lukas LackoRound of 64 · Lost to Denis Kudla
- 🇺🇸Mackenzie McDonald#262Round of 64 · Lost to Andy Murray
- 🇷🇺Mikhail YouzhnyRound of 64 · Lost to Noah Rubin
- 🇧🇦Mirza BasicRound of 64 · Lost to Marius Copil
- Q🇺🇸Mitchell Krueger#482Round of 64 · Lost to Pierre Hugues Herbert
- 🇱🇹Ricardas BerankisRound of 64 · Lost to Tim Smyczek
- WC🇨🇭Stan Wawrinka#164Round of 64 · Lost to Donald Young
- Q🇺🇸Thai Son KwiatkowskiRound of 64 · Lost to James Duckworth
- 🇨🇦Vasek PospisilRound of 64 · Lost to Alex de Minaur
- Q🇯🇵Yosuke Watanuki#237Round of 64 · Lost to Daniil Medvedev
- 🇯🇵Yuichi SugitaRound of 64 · Lost to Vincent Millot