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

EGTB: win in 2 half-moves

# move score
1 Ka3 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 K4b5 draw
4 Ka6 draw
5 Kb6 draw
6 K5b4 loss in 4 half-moves
7 K4b4 loss in 2 half-moves
8 K5b5 loss in 2 half-moves