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

EGTB: win in 40 half-moves

# move score
1 Kb5 win in 39 half-moves
2 Kb6 win in 39 half-moves
3 Kb7 win in 39 half-moves
4 Ke6 win in 39 half-moves
5 Ra8 win in 43 half-moves
6 Kd7 win in 45 half-moves
7 Ka5 win in 47 half-moves
8 Ka7 win in 47 half-moves
9 Rg8 win in 47 half-moves
10 Rh8 win in 47 half-moves
11 Rf8 win in 49 half-moves
12 Kd6 win in 51 half-moves
13 Kd8 win in 53 half-moves
14 Kf6 win in 57 half-moves
15 Kf7 win in 57 half-moves
16 Kf8 win in 57 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves