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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 K5b6 draw
3 K5b5 loss in 2 half-moves
4 K6b5 loss in 2 half-moves
5 K6b6 loss in 2 half-moves
6 Ka4 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kb7 loss in 2 half-moves