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

EGTB: draw

# move score
1 Ka5 draw
2 Ka6 draw
3 Ka7 draw
4 Kb1 draw
5 Kb2 draw
6 Kb5 draw
7 Kb7 draw
8 Kc5 draw
9 Kc7 draw
10 Ka2 loss in 2 half-moves
11 Kc6 loss in 2 half-moves