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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 draw
3 Kc4 draw
4 Kd4 draw
5 Kd5 draw
6 Kb6 loss in 50 half-moves
7 Kd6 loss in 46 half-moves
8 Kc6 loss in 42 half-moves