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

EGTB: draw

# move score
1 Ka3 draw
2 Ka4 draw
3 Ka5 draw
4 Ka7 draw
5 Kb3 draw
6 Kb5 draw
7 Kb7 draw
8 Kb8 draw
9 Kc3 draw
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves