He was runner-up in the 2014 Coca-Cola Queensland PGA Championship and later in the year won the Western Australian Open.

His run of form lifted him in the world top-100 and he received an entry to the 2017 PGA Championship when he finished tied for 54th.

In February 2019, Fox won his first European Tour event, at the co-sanctioned ISPS Handa World Super 6 Perth, beating Adrián Otaegui 3 and 2 in the final.

Fox won his second European Tour event in February 2022 at the Ras Al Khaimah Classic.

[7] In May, Fox finished tied-for-second place at the Soudal Open, two shots behind winner Sam Horsfield.

[9] In July, Fox finished runner-up at the Horizon Irish Open, three shots behind Adrian Meronk.

[10] In October, he won the Alfred Dunhill Links Championship, shooting a final-round 68 to win by one shot ahead of Alex Norén and Callum Shinkwin.