2023 International Challenger Zhangjiagang – Doubles

Max Purcell and Luke Saville were the defending champions but only Saville chose to defend his title, partnering Li Tu. Saville lost in the quarterfinals to Toshihide Matsui and Kaito Uesugi.

Ray Ho and Matthew Romios won the title after defeating Francis Alcantara and Sun Fajing 6–3, 6–4 in the final.

Seeds
• # 🇯🇵 Toshihide Matsui / 🇯🇵 Kaito Uesugi (semifinals)

• # 🇮🇳 Rithvik Choudary Bollipalli / 🇮🇳 Arjun Kadhe (first round)

• # Colin Sinclair / 🇳🇿 Rubin Statham (first round)

• # Ray Ho / 🇦🇺 Matthew Romios (champions)