2021 Antalya Challenger II – Singles
| Singles | |
|---|---|
| 2021 Antalya Challenger II | |
| Champion | Carlos Taberner |
| Runner-up | Jaume Munar |
| Score | 6–4, 6–1 |
Jaume Munar was the defending champion but lost in the final to Carlos Taberner 4–6, 1–6.
This was the second edition of the tournament and second of two editions of the tournament to start the 2021 ATP Challenger Tour year.