2024 Nonthaburi Challenger III

The 2024 Nonthaburi Challenger III was a professional tennis tournament played on hard courts. It was the 9th edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 15 to 21 January 2024.

Seeds

 * 1 Rankings are as of 8 January 2024.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇭 Thanapet Chanta
 * 🇹🇭 Maximus Jones
 * 🇹🇭 Kasidit Samrej

The following players received entry into the singles main draw as alternates:
 * Jason Jung
 * 🇫🇷 Clément Tabur

The following players received entry from the qualifying draw:
 * 🇨🇳 Bai Yan
 * 🇮🇹 Giovanni Fonio
 * 🇰🇷 Hong Seong-chan
 * 🇺🇸 Tennys Sandgren
 * 🇦🇺 Akira Santillan
 * 🇫🇷 Arthur Weber

The following player received entry as a lucky loser:
 * 🇺🇸 Nicolas Moreno de Alboran

Singles

 * 🇮🇹 Matteo Gigante def. 🇰🇷 Hong Seong-chan 6–4, 6–1.

Doubles

 * 🇬🇧 Luke Johnson / 🇹🇳 Skander Mansouri def. 🇮🇳 Rithvik Choudary Bollipalli / 🇮🇳 Niki Kaliyanda Poonacha 7–5, 6–4.