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

EGTB: draw

# move score
1 Kb4 draw
2 Kc2 draw
3 Ka3 loss in 6 half-moves
4 Ka4 loss in 6 half-moves
5 Ka2 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kc4 loss in 2 half-moves