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

EGTB: draw

# move score
1 Ka4 draw
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb4 draw
6 Kb6 draw
7 Kb7 draw
8 Kb5 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves