2020 Bangkok Challenger

The 2020 Bangkok Challenger was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament and was part of the 2020 ATP Challenger Tour. It took place in Bangkok, Thailand between 12 and 18 January 2020.

Seeds

 * 1 Rankings are as of 6 January 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇭 Congsup Congcar
 * 🇹🇭 Palaphoom Kovapitukted
 * 🇹🇭 Michael Mathayomchand
 * 🇹🇭 Kasidit Samrej
 * 🇹🇭 Wishaya Trongcharoenchaikul

The following player received entry into the singles main draw as an alternate:
 * 🇫🇷 Sadio Doumbia

The following players received entry from the qualifying draw:
 * 🇺🇦 Vladyslav Orlov
 * 🇮🇳 Sidharth Rawat

The following player received entry into the singles main draw as a lucky loser:
 * 🇧🇦 Tomislav Brkić

Singles

 * 🇭🇺 Attila Balázs def. 🇷🇺 Aslan Karatsev 7–6(7–5), 0–6, 7–6(8–6).

Doubles

 * 🇰🇿 Andrey Golubev / 🇰🇿 Aleksandr Nedovyesov def. 🇹🇭 Sanchai Ratiwatana / Christopher Rungkat 3–6, 7–6(7–1), [10–5].