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 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Rc8 win in 3 half-moves
6 Ka6 win in 21 half-moves
7 Kc8 draw
8 Ke8 draw
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves