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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kf6 draw
3 Kh5 draw
4 Kh6 draw
5 Kh7 draw
6 Ra8 draw
7 Rc8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kf5 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kb1 loss in 1 half-moves
16 Kb2 loss in 1 half-moves
17 Kc2 loss in 1 half-moves
18 Kd1 loss in 1 half-moves
19 Kd2 loss in 1 half-moves
20 Rd8 loss in 1 half-moves
21 Rg7 loss in 1 half-moves