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

EGTB: draw

# move score
1 Ka6 draw
2 Kb6 draw
3 Kb4 loss in 34 half-moves
4 Ka4 loss in 30 half-moves
5 Ka5 loss in 28 half-moves
6 Kc4 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves