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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kh3 draw
6 Kh5 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 Rg1 draw
12 Rg2 draw
13 Rg3 draw
14 Rg7 draw
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rg5 loss in 1 half-moves
20 Rg6 loss in 1 half-moves
21 Rh8 loss in 1 half-moves