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 Kc3 win in 1 half-moves
4 Kc4 loss in 56 half-moves
5 Kc5 loss in 54 half-moves
6 Kb5 loss in 46 half-moves
7 Ka4 loss in 44 half-moves
8 Ka5 loss in 44 half-moves