2019 Casino Admiral Trophy – Singles

Stefano Travaglia was the defending champion but chose not to defend his title.

Pablo Andújar won the title after defeating Benoît Paire 4–6, 7–6(8–6), 6–4 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇫🇷 Benoît Paire (final)

• # 🇪🇸 Pablo Andújar (champion)

• # 🇨🇿 Jiří Veselý (quarterfinals)

• # Pedro Sousa (second round)

• # 🇪🇸 Guillermo García López (third round)

• # 🇧🇷 Thiago Monteiro (quarterfinals)

• # 🇪🇸 Adrián Menéndez Maceiras (second round)

• # 🇦🇷 Facundo Bagnis (second round)

• # 🇮🇹 Simone Bolelli (third round)

• # 🇪🇸 Pedro Martínez (semifinals)

• # 🇮🇹 Filippo Baldi (third round)

• # 🇮🇹 Alessandro Giannessi (quarterfinals)

• # 🇮🇹 Andrea Arnaboldi (third round)

• # 🇩🇪 Rudolf Molleker (second round)

• # 🇪🇸 Alejandro Davidovich Fokina (semifinals)

• # 🇧🇪 Kimmer Coppejans (second round)