2024 Heilbronner Neckarcup – Singles

Matteo Arnaldi was the defending champion but chose not to defend his title.

Sumit Nagal won the title after defeating Alexander Ritschard 6–1, 6–7(5–7), 6–3 in the final.

Seeds
• # 🇩🇪 Daniel Altmaier (second round)

• # 🇩🇪 Yannick Hanfmann (first round)

• # 🇮🇳 Sumit Nagal (champion)

• # 🇩🇪 Maximilian Marterer (second round)

• # 🇫🇷 Luca Van Assche (semifinals)

• # 🇨🇴 Daniel Elahi Galán (first round)

• # 🇪🇸 Albert Ramos Viñolas (first round)

• # 🇦🇹 Jurij Rodionov (second round)