Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kf3 draw
3 Kf4 draw
4 Kf5 draw
5 Ra7 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Rh8 draw
11 Ka5 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Ka7 loss in 1 half-moves
21 Kb7 loss in 1 half-moves