Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb4 draw
3 Kb3 loss in 40 half-moves
4 Ka3 loss in 36 half-moves
5 Ka5 loss in 26 half-moves