Rumford led the tournament from start to finish and was 17 under par for the first three rounds of stroke.
He accelerated his match- play skills by beating world number 58 Hideto Taniara in the second round and had a thrilling encounter with Wade Ormsby in the quarter finals.
He then met Adam Bland in the semi-finals before the win over Khongwatmai.
A tournament with a difference and a first of its kind, the Lake Karrinyup Country Club venue hosted some of the world’s finest players in its field of 153.
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READ NOWThe format for the ISPS Handa World Super 6 Perth combined 54 holes of traditional stroke play across the first three days, with an exciting six-hole knockout match play for the final round.
The tournament was part of the PGA Tour Australia, Asian Tour and European Tour. John Ince