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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kbb8 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Ra6 win in 3 half-moves
6 Kab8 win in 7 half-moves
7 Ka6 draw
8 Kc7 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves