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 Kg3 draw
3 Kg4 draw
4 Kh5 draw
5 Ra8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Ka5 loss in 1 half-moves
11 Ka7 loss in 1 half-moves
12 Kb5 loss in 1 half-moves
13 Kb6 loss in 1 half-moves
14 Kb7 loss in 1 half-moves
15 Kg5 loss in 1 half-moves
16 Kh3 loss in 1 half-moves
17 Rg8 loss in 1 half-moves
18 Rh5 loss in 1 half-moves
19 Rh6 loss in 1 half-moves
20 Rh7 loss in 1 half-moves