2021 Orlando Open II

The 2021 Orlando Open II was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Orlando, Florida, United States between 7 and 13 June 2021.

Seeds

 * 1 Rankings are as of 31 May 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Oliver Crawford
 * 🇺🇸 Sam Riffice
 * 🇺🇸 Donald Young

The following players received entry from the qualifying draw:
 * 🇦🇺 Dayne Kelly
 * 🇺🇸 Stefan Kozlov
 * 🇨🇴 Nicolás Mejía
 * 🇦🇷 Thiago Agustín Tirante

Singles

 * 🇺🇸 Christopher Eubanks def. 🇨🇴 Nicolás Mejía 2–6, 7–6(7–3), 6–4.

Doubles

 * 🇺🇸 Christian Harrison / 🇨🇦 Peter Polansky def. 🇺🇸 JC Aragone / 🇨🇴 Nicolás Barrientos 6–2, 6–3.