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

EGTB: draw

# move score
1 Kaa8 draw
2 Kab6 draw
3 Kbb6 draw
4 Kbb8 draw
5 Kc6 draw
6 Kc8 draw
7 b4 loss in 4 half-moves
8 Kaa6 loss in 4 half-moves
9 Kab8 loss in 4 half-moves
10 Kba6 loss in 4 half-moves
11 Kc7 loss in 4 half-moves
12 Kba8 loss in 3 half-moves