2019 Chennai Open Challenger – Singles

Jordan Thompson was the defending champion but chose not to defend his title.

Corentin Moutet won the title after defeating Andrew Harris 6–3, 6–3 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇮🇳 Prajnesh Gunneswaran (semifinals)

• # 🇫🇷 Corentin Moutet (champion)

• # 🇪🇬 Mohamed Safwat (third round)

• # 🇮🇹 Gianluca Mager (third round)

• # 🇪🇸 Alejandro Davidovich Fokina (quarterfinals)

• # 🇰🇷 Kwon Soon-woo (third round)

• # 🇦🇺 James Duckworth (quarterfinals)

• # 🇰🇷 Lee Duck-hee (third round)

• # Gastão Elias (third round)

• # 🇪🇸 Nicola Kuhn (quarterfinals)

• # 🇮🇳 Saketh Myneni (third round)

• # 🇦🇺 Maverick Banes (second round)

• # 🇩🇴 José Hernández-Fernández (second round)

• # 🇱🇹 Laurynas Grigelis (third round)

• # Yang Tsung-hua (second round)

• # 🇮🇳 Sasikumar Mukund (semifinals)