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

EGTB: draw

# move score
1 Kb5 draw
2 Kb7 draw
3 Kc5 draw
4 Kc6 draw
5 Kc7 draw
6 Ke1 draw
7 Ke2 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Ka7 loss in 2 half-moves