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

EGTB: draw

# move score
1 Kc5 draw
2 Kc6 draw
3 Kaa5 loss in 2 half-moves
4 Kab5 loss in 2 half-moves
5 Kba5 loss in 2 half-moves
6 Kbb5 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kaa7 loss in 1 half-moves
9 Kab7 loss in 1 half-moves
10 Kba7 loss in 1 half-moves
11 Kbb7 loss in 1 half-moves