He qualified for the 2011 BDO World Darts Championship, he played Willy van de Wiel in the first round and lost 3–1 in sets.

[6] He made his televised PDC debut with a first round defeat of Raymond van Barneveld in the 2021 UK Open before falling to Dave Chisnall in the last 16.

In the following two rounds, Soutar knocked out two seeds, Mensur Suljović and José de Sousa, each time in the deciding set having survived match darts from his opponent.

[7] In 2022, Soutar made his debut as a qualifier for the Grand Slam of Darts, where he advanced from his group ahead of reigning World Champion Peter Wright after victories over Fallon Sherrock and Nathan Aspinall.

[9] At the 2023 PDC World Darts Championship, Soutar reached the fourth round again after whitewashing Mal Cuming and Daryl Gurney 3–0 in sets.