Aptos CH 2018
Thanasi Kokkinakis won the title, beating Lloyd Harris 6–2 6–3 in the final.
Main draw 32 players
- 1🇮🇹Thomas FabbianoSemifinals · Lost to Thanasi Kokkinakis
- 2🇺🇸Michael Mmoh#150Round of 16 · Lost to Christopher Eubanks
- 3🇫🇷Quentin Halys#45Round of 32 · Lost to Lloyd Harris
- 4🇦🇺Thanasi Kokkinakis#413Final · Champion
- 5🇺🇸Kevin KingRound of 32 · Lost to Aleksandar Vukic
- 6🇪🇬Mohamed SafwatRound of 32 · Lost to Martin Redlicki
- 7🇬🇧Jay Clarke#243Round of 16 · Lost to Liam Broady
- 8🇮🇳Prajnesh GunneswaranQuarterfinals · Lost to Thanasi Kokkinakis
- 🇿🇦Lloyd Harris#103Final · Lost to Thanasi Kokkinakis
- 🇺🇸Christopher EubanksSemifinals · Lost to Lloyd Harris
- 🇲🇽Ernesto EscobedoQuarterfinals · Lost to Christopher Eubanks
- 🇬🇧Liam Broady#215Quarterfinals · Lost to Lloyd Harris
- WC🇺🇸Martin RedlickiQuarterfinals · Lost to Thomas Fabbiano
- Q🇦🇺Aleksandar Vukic#137Round of 16 · Lost to Ernesto Escobedo
- 🇺🇸Jc AragoneRound of 16 · Lost to Prajnesh Gunneswaran
- SE🇧🇪Joris De LooreRound of 16 · Lost to Lloyd Harris
- 🇯🇵Kaichi Uchida#431Round of 16 · Lost to Thanasi Kokkinakis
- Q🇺🇸Marcos Giron#94Round of 16 · Lost to Martin Redlicki
- SE🇮🇹Stefano Napolitano#290Round of 16 · Lost to Thomas Fabbiano
- Q🇬🇧Alexander WardRound of 32 · Lost to Christopher Eubanks
- WC🇺🇸Brandon HoltRound of 32 · Lost to Prajnesh Gunneswaran
- 🇺🇸Dennis NovikovRound of 32 · Lost to Stefano Napolitano
- 🇧🇾Egor GerasimovRound of 32 · Lost to Ernesto Escobedo
- 🇺🇸Evan KingRound of 32 · Lost to Michael Mmoh
- PR🇺🇦Illya MarchenkoRound of 32 · Lost to Jay Clarke
- Q🇦🇺Luke SavilleRound of 32 · Lost to Jc Aragone
- 🇦🇺Marc PolmansRound of 32 · Lost to Liam Broady
- 🇦🇺Max PurcellRound of 32 · Lost to Thanasi Kokkinakis
- 🇷🇸Miomir Kecmanovic#64Round of 32 · Lost to Thomas Fabbiano
- 🇺🇸Stefan Kozlov#205Round of 32 · Lost to Kaichi Uchida
- 🇺🇸Tommy Paul#13Round of 32 · Lost to Marcos Giron
- WC🇺🇸Ulises BlanchRound of 32 · Lost to Joris De Loore