table: 1-10023387-1
columns: Player, Years Played, Total W-L, Singles W-L, Doubles W-L
Q: what's the total number of singles w-l with doubles w-l of 0–0 and total w-l of 3–1
A: SELECT COUNT Singles W-L FROM 1-10023387-1 WHERE Doubles W-L = '0–0' AND Total W-L = '3–1'