| Singles | |
|---|---|
| 2016 City of Onkaparinga ATP Challenger | |
| Champion |
|
| Runner-up |
|
| Final score | 7–6(9–7), 6–2 |
Ryan Harrison was the defending champion, but elected not to defend his title.
Teenager Taylor Fritz won his third ATP Challenger Tour title, beating top seed Dudi Sela 7–6(9–7), 6–2