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 Kb1 draw
3 Kf6 draw
4 Kg5 draw
5 Kg7 draw
6 Kh5 draw
7 Kh6 draw
8 Kh7 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rg7 draw
14 Rh8 draw
15 Kf5 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Ka2 loss in 1 half-moves
18 Kb2 loss in 1 half-moves
19 Ra8 loss in 1 half-moves