Seoul CH 2017
Thomas Fabbiano won the title, beating Soon Woo Kwon 1–6 6–4 6–3 in the final.
Main draw 32 players
- 1🇹🇼Yen Hsun LuRound of 32 · Lost to Yunseong Chung
- 3🇮🇱Dudi SelaQuarterfinals · Lost to Duck Hee Lee
- 4🇷🇺Konstantin KravchukRound of 32 · Lost to Go Soeda
- 5🇨🇦Vasek PospisilRound of 16 · Lost to Duck Hee Lee
- 6🇸🇮Blaz KavcicRound of 32 · Lost to Soon Woo Kwon
- 7🇺🇦Illya MarchenkoRound of 32 · Lost to Thomas Fabbiano
- 8🇧🇪Ruben BemelmansSemifinals · Lost to Thomas Fabbiano
- 🇮🇹Thomas FabbianoFinal · Champion
- 🇰🇷Soon Woo KwonFinal · Lost to Thomas Fabbiano
- 🇰🇷Duck Hee LeeSemifinals · Lost to Soon Woo Kwon
- 🇺🇸Alexander SarkissianQuarterfinals · Lost to Soon Woo Kwon
- 🇯🇵Go SoedaQuarterfinals · Lost to Thomas Fabbiano
- 🇯🇵Hiroki Moriya#450Quarterfinals · Lost to Ruben Bemelmans
- Q🇺🇸Austin KrajicekRound of 16 · Lost to Alexander Sarkissian
- Q🇨🇦Felix Auger Aliassime#14Round of 16 · Lost to Dudi Sela
- LL🇦🇺Luke SavilleRound of 16 · Lost to Ruben Bemelmans
- 🇨🇭Marco ChiudinelliRound of 16 · Lost to Thomas Fabbiano
- ALT🇷🇸Marko TepavacRound of 16 · Lost to Soon Woo Kwon
- WC🇰🇷Young Seok KimRound of 16 · Lost to Go Soeda
- WC🇰🇷Yunseong ChungRound of 16 · Lost to Hiroki Moriya
- 🇦🇺Akira Santillan#349Round of 32 · Lost to Luke Saville
- PR🇬🇧Alexander WardRound of 32 · Lost to Young Seok Kim
- 🇦🇺Brydan KleinRound of 32 · Lost to Ruben Bemelmans
- Q🇺🇸Daniel NguyenRound of 32 · Lost to Alexander Sarkissian
- WC🇰🇷Hong ChungRound of 32 · Lost to Dudi Sela
- SE🇬🇧Liam Broady#215Round of 32 · Lost to Hiroki Moriya
- 🇦🇺Omar Jasika#301Round of 32 · Lost to Marco Chiudinelli
- 🇫🇷Sadio DoumbiaRound of 32 · Lost to Vasek Pospisil
- 🇺🇸Sekou BangouraRound of 32 · Lost to Felix Auger Aliassime
- WC🇰🇷Seong Chan HongRound of 32 · Lost to Austin Krajicek
- Q🇯🇵Shuichi SekiguchiRound of 32 · Lost to Duck Hee Lee
- 🇯🇵Tatsuma ItoRound of 32 · Lost to Marko Tepavac