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

EGTB: draw

# move score
1 Kb4 draw
2 Kb6 draw
3 Kc4 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Kg7 draw
8 Kg8 draw
9 Kb5 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf7 loss in 2 half-moves