Thanasi Kokkinakis stuns Stefanos Tsitsipas as Alex de Minaur returns in style

• Kokkinakis upsets dual grand slam runner-up 7-6 (7-5) 4-6 6-3 7-5
• De Minaur beats Marcos Giron 6-3 6-4 5-7 6-4 in first round at US Open

Thanasi Kokkinakis has stunned world No 11 Stefanos Tsitsipas and Alex de Minaur has made a successful comeback from injury to crown another red-letter day for Australia's tennis stars at the US Open in New York.

Fan favourite Kokkinakis received a standing ovation on The Grandstand after upsetting dual grand slam runner-up Stefanos Tsitsipas 7-6 (7-5) 4-6 6-3 7-5 on day three. Incredibly, Kokkinakis's fighting four-set triumph over Tsitsipas was only his second victory at the Open in nine injury-plagued years.