2019 Tallahassee Tennis Challenger – Singles

Noah Rubin was the defending champion but lost in the quarterfinals to Tennys Sandgren.

Emilio Gómez won the title after defeating Tommy Paul 6–2, 6–2 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇮🇹 Paolo Lorenzi (second round)

• # 🇺🇸 Tennys Sandgren (semifinals)

• # 🇫🇷 Corentin Moutet (semifinals)

• # 🇨🇦 Peter Polansky (second round)

• # 🇺🇸 Noah Rubin (quarterfinals)

• # 🇦🇺 Marc Polmans (third round)

• # 🇺🇸 Mitchell Krueger (third round)

• # 🇨🇴 Daniel Elahi Galán (withdrew)

• # 🇺🇸 Tommy Paul (final)

• # 🇨🇴 Santiago Giraldo (second round, retired)

• # 🇩🇪 Mats Moraing (second round)

• # 🇷🇺 Evgeny Karlovskiy (third round)

• # Mikael Torpegaard (quarterfinals)

• # 🇧🇷 Guilherme Clezar (second round)

• # 🇺🇸 JC Aragone (second round)

• # Nino Serdarušić (quarterfinals)