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Men's Volleyball Pro Challenge (Thai: วอลเลย์บอลชายโปรชาเลนจ์) is the second-tier professional league in Thai domestic volleyball tournament. The top 2 are promoted to Men's Volleyball Thailand League at the end of the season. Seasons run from July to September, with teams playing 6 games each. Most games are played on Saturdays and Sundays, with a few games played on weekdays.