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 Kf4 draw
3 Kh3 draw
4 Kh4 draw
5 Kh5 draw
6 Ra8 draw
7 Rc8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kf3 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Ka1 loss in 1 half-moves
16 Ka2 loss in 1 half-moves
17 Kb2 loss in 1 half-moves
18 Kc1 loss in 1 half-moves
19 Kc2 loss in 1 half-moves
20 Rd8 loss in 1 half-moves
21 Rg5 loss in 1 half-moves
22 Rg6 loss in 1 half-moves
23 Rg7 loss in 1 half-moves