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 Ka5 win in 1 half-moves
3 Kb5 win in 1 half-moves
4 Kc4 win in 1 half-moves
5 Kc5 win in 1 half-moves
6 Kc3 loss in 54 half-moves
7 Kb3 loss in 48 half-moves
8 Ka3 loss in 42 half-moves