Johnston, an unheralded American player, celebrated his first professional victory Sunday with a three-stroke triumph in the Australian Open, while South Korea's Jiyai Shin became a two-time winner of the Women's Australian Open, which was played concurrently at two courses on the famed Melbourne Sandbelt.

Ryggs Johnston, in just his second start on the DP World Tour, won by three shots to claim the 2024 ISPS Handa Australian Open. He also punched his ticket to the 2025 Open Championship. Johnston tied for 42nd in his DPWT debut last week,