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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Kb6 draw
4 Ka6 loss in 34 half-moves
5 Kb7 loss in 22 half-moves