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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Ra1 draw
7 Ra3 draw
8 Ra7 draw
9 Re8 draw
10 Rf8 draw
11 Ka7 loss in 20 half-moves
12 Rb8 loss in 20 half-moves
13 Kb8 loss in 18 half-moves
14 Ka6 loss in 4 half-moves
15 Ra2 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 Rc8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves