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

EGTB: draw

# move score
1 Kc4 draw
2 Kd4 draw
3 Kb4 loss in 28 half-moves
4 Kd3 loss in 24 half-moves
5 Kc2 loss in 22 half-moves
6 Kd2 loss in 22 half-moves
7 Kb3 loss in 18 half-moves
8 Kb2 loss in 16 half-moves