MELAKA, Oct 31 (Bernama) -- The challenge of contesting the Tanjung Bidara state seat as an ‘underdog’, against incumbent Chief Minister Datuk Seri Dr Ab Rauf Yusoh, has not dampened Pakatan Harapan (PH) candidate Mohd Yunazri Mustamiri's determination to pull off a surprise in the 16th Melaka state election on Nov 14.