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 Kb8 draw
3 Kc8 draw
4 Ra7 draw
5 Ka5 loss in 2 half-moves
6 Kaa7 loss in 2 half-moves
7 Kab6 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kba7 loss in 2 half-moves
10 Kbb6 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves