2022 Nonthaburi Challenger – Singles

This was the first edition of the tournament.

Valentin Vacherot won the title after defeating Lý Hoàng Nam 6–3, 7–6(7–4) in the final.

Seeds
• # 🇬🇧 Alastair Gray (quarterfinals)

• # 🇯🇵 Yasutaka Uchiyama (semifinals)

• # 🇰🇿 Denis Yevseyev (second round, retired)

• # 🇬🇧 Billy Harris (first round)

• # 🇧🇷 Gabriel Décamps (second round)

• # 🇮🇱 Yshai Oliel (first round)

• # 🇩🇪 Nicola Kuhn (second round)

• # 🇺🇦 Illya Marchenko (second round)