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 Kb6 draw
3 Kb7 draw
4 Kd6 draw
5 Kd7 draw
6 Ra3 draw
7 Ra6 draw
8 Rb8 draw
9 Rc8 draw
10 Re8 draw
11 Kb8 loss in 10 half-moves
12 Ra7 loss in 8 half-moves
13 Kc6 loss in 6 half-moves
14 Ra5 loss in 6 half-moves
15 Kc8 loss in 4 half-moves
16 Kd8 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves