2018 Bangkok Challenger II

The 2018 Bangkok Challenger II was a professional tennis tournament played on hard courts. It was third edition of the tournament and part of the 2018 ATP Challenger Tour. It took place in Bangkok, Thailand between 8 and 13 January 2018.

Seeds

 * 1 Rankings are as of 1 January 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇭 Thanapet Chanta
 * 🇹🇭 Congsup Congcar
 * 🇹🇭 Pruchya Isaro
 * 🇹🇭 Pol Wattanakul

The following player received entry into the singles main draw using a protected ranking: The following players received entry from the qualifying draw:
 * 🇮🇹 Flavio Cipolla
 * 🇯🇵 Yuya Kibi
 * Frederik Nielsen
 * 🇮🇳 Sidharth Rawat
 * 🇫🇮 Emil Ruusuvuori

Singles

 * 🇪🇸 Marcel Granollers def. 🇪🇸 Enrique López Pérez 4–6, 6–2, 6–0.

Doubles

 * 🇺🇸 James Cerretani / 🇬🇧 Joe Salisbury def. 🇪🇸 Enrique López Pérez / 🇪🇸 Pedro Martínez 6–7(5–7), 6–3, [10–8].