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

EGTB: win in 4 half-moves

# move score
1 Kba4 win in 3 half-moves
2 Kbb4 win in 3 half-moves
3 Ka2 draw
4 Ka3 draw
5 Ka6 draw
6 Kaa4 draw
7 Kab4 draw
8 Kb2 draw
9 Kb6 draw
10 Kb5 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves