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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kc7 loss in 10 half-moves
3 Kc6 loss in 8 half-moves
4 Ke7 loss in 8 half-moves
5 Ra6 loss in 8 half-moves
6 Rd8 loss in 8 half-moves
7 Kc8 loss in 4 half-moves
8 Kd8 loss in 4 half-moves
9 Ke8 loss in 4 half-moves
10 Ra1 loss in 4 half-moves
11 Ra7 loss in 4 half-moves
12 Kd6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves