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

EGTB: draw

# move score
1 Kb3 draw
2 Kb5 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd5 draw
7 Kb4 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves