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 Ka1 draw
3 Kc1 draw
4 Kf6 draw
5 Kh6 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rg7 draw
11 Rh8 draw
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Ka2 loss in 1 half-moves
19 Kb2 loss in 1 half-moves
20 Kc2 loss in 1 half-moves
21 Ra8 loss in 1 half-moves