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 Kg4 draw
3 Kg5 draw
4 Ra8 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Ka5 loss in 1 half-moves
12 Ka7 loss in 1 half-moves
13 Kb5 loss in 1 half-moves
14 Kb6 loss in 1 half-moves
15 Kb7 loss in 1 half-moves
16 Kh5 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