Wishya is the only Thai player to reach a semi-final of an ITF event this year during the US$10,000 ITF Thailand Men's Futures 3 in Hua Hin iin September. He also reached the quarter-finals in Taiwan and Men's Futures 4 in December.
Wishaya also won his first ATP Challenger title by teaming with Kittipong Wachiramanowong to lift up the Bangkok Challenger in September.
No. 1 Wishaya Trongcharoenchaikul, 21, world No 781.
No. 2 Jirat Navasirisomboon, 20, world No 998.
No. 3 Kittipong Wachiramanowong, 26, world No 1,117.
No. 4 Pruchya Isarow, 21, world No 1,314.
No 5. Pol Wattanakul, 21, world No 1,466.