2019 Columbus Challenger III – Singles

Mikael Torpegaard was the defending champion but lost in the quarterfinals to Roberto Quiroz.

Peter Polansky won the title after defeating J. J. Wolf 6–3, 7–6(7–4) in the final.

Seeds
All seeds receive a bye into the second round. • # 🇪🇨 Emilio Gómez (semifinals)

• # Mikael Torpegaard (quarterfinals)

• # 🇺🇸 Michael Mmoh (third round)

• # 🇨🇦 Peter Polansky (champion)

• # 🇺🇸 Thai-Son Kwiatkowski (quarterfinals)

• # 🇫🇷 Enzo Couacaud (quarterfinals)

• # 🇺🇸 Maxime Cressy (second round)

• # 🇺🇸 Donald Young (third round)

• # 🇪🇨 Roberto Quiroz (semifinals)

• # 🇬🇧 Liam Broady (third round)

• # 🇦🇷 Renzo Olivo (second round)

• # 🇩🇴 Roberto Cid Subervi (second round)

• # 🇺🇸 J. J. Wolf (final)

• # 🇨🇦 Filip Peliwo (third round)

• # 🇺🇸 Roy Smith (third round)

• # 🇺🇸 Michael Redlicki (second round)