2024 Nonthaburi Challenger III

Country	Player	Rank1	Seed
CRO	Duje Ajduković	143	1
GER	Benjamin Hassan	150	2
JPN	Sho Shimabukuro	152	3
NED	Gijs Brouwer	154	4
CZE	Dalibor Svrčina	166	5
UKR	Vitaliy Sachko	169	6
ITA	Matteo Gigante	172	7
ITA	Mattia Bellucci	180	8

• ¹ Rankings are as of 8 January 2024.^[1]

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

• Matteo Gigante def. Hong Seong-chan 6–4, 6–1.

• Luke Johnson / Skander Mansouri def. Rithvik Choudary Bollipalli / Niki Kaliyanda Poonacha 7–5, 6–4.