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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb7 win in 3 half-moves
3 Kbb5 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kc7 win in 3 half-moves
6 Ra7 win in 3 half-moves
7 Ka4 win in 5 half-moves
8 Ka7 win in 5 half-moves
9 Kab5 win in 5 half-moves
10 Kb4 win in 5 half-moves
11 Kc6 win in 5 half-moves