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

EGTB: draw

# move score
1 Ka7 draw
2 Kb6 draw
3 Kb7 draw
4 Kc6 draw
5 Kc7 draw
6 Kd7 draw
7 Ke6 draw
8 Ke7 draw
9 Ka5 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke5 loss in 2 half-moves