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 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kc6 draw
7 Kc7 draw
8 Kd7 draw
9 Ke7 draw
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves