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 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Ra1 draw
8 Ra3 draw
9 Re8 draw
10 Ka7 loss in 20 half-moves
11 Rb8 loss in 20 half-moves
12 Kb8 loss in 16 half-moves
13 Ra4 loss in 16 half-moves
14 Ra7 loss in 16 half-moves
15 Ra2 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves