Zak Chumphae

Mongkul Singcha (Thai: มงคล สิงห์ชา), also known by his stage name Zak Chumphae (Thai: แซ็ค ชุมแพ) (born 5 May 1995) is a Thai Singer. He is known for his single คำแพง, which had over 435 million views.

As a lucky loser in Sherri Shepherd vs. Ian Ziering and Tommy Chong vs. Derek Fisher and Gloria Govan (August 19), replacing the injured Robert Wickens, he made the fourth round, losing to Josef Newgarden.