2017 City of Onkaparinga ATP Challenger – Singles
| Singles | |
|---|---|
| 2017 City of Onkaparinga ATP Challenger | |
| Champion |
 Peter Gojowczyk
|
| Runner-up |
 Omar Jasika
|
| Final score | 6–3, 6–1 |
Taylor Fritz was the defending champion but chose not to defend his title.
Peter Gojowczyk won the title after defeating Omar Jasika 6–3, 6–1 in the final.
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