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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kc4 win in 1 half-moves
3 Ka5 draw
4 Kb5 draw
5 Kc5 draw
6 Kb3 loss in 34 half-moves
7 Kc3 loss in 34 half-moves
8 Ka3 loss in 18 half-moves