Philipp Oswald is an Austrian professional tennis player who primarily plays doubles events on the ATP Tour. On 7 December 2009, he reached his highest ATP singles ranking of world No. 206, and his highest doubles ranking of No. 31 was reached on 21 June 2021. In 2021, he participated in the 2020 Tokyo Olympics partnering with Oliver Marach.

Oliver Marach is a former Austrian professional tennis player who primarily specialised in doubles.