Champaign CH 2018
Reilly Opelka won the title, beating Ryan Shane 7–6(6) 6–3 in the final.
Main draw 31 players
- 1🇪🇸Marcel GranollersRound of 16 · Lost to Ryan Shane
- 2🇫🇷Ugo Humbert#39Round of 32 · Lost to Tommy Paul
- 3🇨🇦Peter PolanskyRound of 16 · Lost to Blaz Rola
- 4🇺🇸Reilly Opelka#275Final · Champion
- 5🇨🇭Henri LaaksonenRound of 32 · Lost to Sekou Bangoura
- 6🇷🇸Nikola MilojevicRound of 32 · Lost to Mikael Ymer
- 7🇺🇸Christopher EubanksQuarterfinals · Lost to Tommy Paul
- 8🇦🇺John Patrick SmithQuarterfinals · Lost to Ryan Shane
- Q🇺🇸Ryan ShaneFinal · Lost to Reilly Opelka
- 🇸🇮Blaz RolaSemifinals · Lost to Ryan Shane
- 🇺🇸Tommy Paul#13Semifinals · Lost to Reilly Opelka
- 🇺🇸Sekou BangouraQuarterfinals · Lost to Blaz Rola
- 🇫🇷Tak Khunn WangQuarterfinals · Lost to Reilly Opelka
- 🇫🇮Harri HeliovaaraRound of 16 · Lost to Christopher Eubanks
- 🇺🇸Jared HiltzikRound of 16 · Lost to Tommy Paul
- 🇯🇵Kaichi Uchida#431Round of 16 · Lost to Reilly Opelka
- 🇸🇪Mikael YmerRound of 16 · Lost to Tak Khunn Wang
- LL🇺🇸Olukayode Alafia Damina AyeniRound of 16 · Lost to Sekou Bangoura
- ZIMTakanyi GarangangaRound of 16 · Lost to John Patrick Smith
- WC🇺🇸Alexander BrownRound of 32 · Lost to Blaz Rola
- ALT🇨🇭Alexander Ritschard#280Round of 32 · Lost to Marcel Granollers
- 🇰🇿Denis Yevseyev#469Round of 32 · Lost to John Patrick Smith
- WC🇺🇸Ezekiel ClarkRound of 32 · Lost to Takanyi Garanganga
- 🇺🇸J J WolfRound of 32 · Lost to Jared Hiltzik
- 🇺🇸Jc AragoneRound of 32 · Lost to Tak Khunn Wang
- 🇺🇸Kevin KingRound of 32 · Lost to Christopher Eubanks
- 🇬🇧Lloyd GlasspoolRound of 32 · Lost to Reilly Opelka
- Q🇩🇰Mikael TorpegaardRound of 32 · Lost to Harri Heliovaara
- WC🇺🇸Patrick Kypson#240Round of 32 · Lost to Peter Polansky
- Q🇿🇦Ruan RoelofseRound of 32 · Lost to Olukayode Alafia Damina Ayeni
- WC🇺🇸Sebastian Korda#101Round of 32 · Lost to Kaichi Uchida