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

EGTB: win in 4 half-moves

# move score
1 Ka8 win in 3 half-moves
2 Kba6 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Ra8 win in 3 half-moves
5 Kc7 win in 7 half-moves
6 Kaa6 draw
7 Kb8 draw
8 Kbb6 draw
9 Kc8 draw
10 Ra6 draw
11 Ka4 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves