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

EGTB: win in 2 half-moves

# move score
1 Kd3 win in 1 half-moves
2 Kd4 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kb5 loss in 52 half-moves
5 Kc5 loss in 52 half-moves
6 Kc3 loss in 44 half-moves
7 Kb4 loss in 38 half-moves
8 Kb3 loss in 36 half-moves