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

EGTB: win in 4 half-moves

# move score
1 Kab6 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Kb4 draw
5 Kb7 draw
6 Kb8 draw
7 Kba6 draw
8 Kbb6 draw
9 Kc6 draw
10 Ka8 loss in 2 half-moves
11 Kaa6 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc4 loss in 1 half-moves