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

EGTB: win in 2 half-moves

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