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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Ka3 draw
3 Ka4 draw
4 Kb4 draw
5 Kc3 draw
6 Kc4 draw
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves