[1] She represented her country in the mainly professional Women's World Cup of Golf three times while still an amateur.

On 7 August 2022, after 221 LPGA Tour starts, Buhai won her first major title by winning the AIG Women's Open at Muirfield, Scotland.

She defeated Chun In-gee on the fourth hole of sudden-death playoff after both players finished regulation play at −10.

In December 2022, Buhai won the ISPS Handa Women's Australian Open by 1 stroke over Jiyai Shin.

[7] In December 2023, she successfully defended her ISPS Handa Women's Australian Open title with a 1 stroke victory over Minjee Lee at The Australian Golf Club[8] 1 Co-sanctioned by the Ladies European Tour.