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

EGTB: draw

# move score
1 Kb5 draw
2 Kc3 draw
3 Kc5 draw
4 Kd5 draw
5 Ke7 draw
6 Ke8 draw
7 Kf7 draw
8 Kg7 draw
9 Kg8 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves