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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ke7 win in 5 half-moves
3 Ra8 win in 5 half-moves
4 Rg8 win in 11 half-moves
5 Rh8 win in 11 half-moves
6 Ka5 draw
7 Kb5 draw
8 Rc8 draw
9 Ka7 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Kd5 loss in 1 half-moves
20 Ke5 loss in 1 half-moves
21 Kf5 loss in 1 half-moves