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

EGTB: win in 2 half-moves

# move score
1 Kc1 win in 1 half-moves
2 Kd2 win in 1 half-moves
3 Kb2 loss in 20 half-moves
4 Kb3 loss in 20 half-moves
5 Kc3 loss in 20 half-moves
6 Kb1 loss in 18 half-moves
7 Kd1 loss in 18 half-moves
8 Kd3 loss in 18 half-moves