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 K4b4 draw
4 K4b5 draw
5 K5b4 draw
6 K5b5 draw
7 Ka6 loss in 2 half-moves
8 Kb6 loss in 2 half-moves