The City of Onkaparinga ATP Challenger is a professional tennis tournament played on outdoor hard courts from years 2015-2017. It was part of the ATP Challenger Tour and held annually at the Happy Valley Tennis Club in Happy Valley, South Australia, Australia.
| City of Onkaparinga ATP Challenger | |
|---|---|
 2016 City of Onkaparinga ATP Challenger | |
| ATP Challenger Tour | |
| Event name | City of Onkaparinga ATP Challenger |
| Location | Happy Valley, South Australia, Australia |
| Venue | Happy Valley Tennis Club |
| Category | ATP Challenger Tour |
| Surface | Hard |
| Draw | 32S/32Q/16D |
| Prize money | €75,000 |
| Website | Website |
Past finals
editSingles
edit| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2015 |  Ryan Harrison |
 Marcos Baghdatis |
7–6(10–8), 6–4 |
| 2016 | Taylor Fritz |
 Dudi Sela |
7–6(9–7), 6–2 |
| 2017 |  Peter Gojowczyk |
 Omar Jasika |
6–3, 6–1 |
Doubles
edit| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 2015 |  Andrey Kuznetsov  Aleksandr Nedovyesov |
Alex Bolt Andrew Whittington |
7–5, 6–4 |
| 2016 |  Matteo Donati Andrey Golubev |
 Denys Molchanov Aleksandr Nedovyesov |
3–6, 7–6(7–5), [10–1] |
| 2017 |  Hans Podlipnik Max Schnur |
Steven de Waard Marc Polmans |
7–6(7–5), 4–6, [10–6] |