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

EGTB: draw

# move score
1 Ka6 draw
2 Ka8 draw
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Kd1 draw
10 Ke1 draw
11 Kd3 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves