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