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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rf8 win in 1 half-moves
3 Ra7 loss in 32 half-moves
4 Rb8 loss in 28 half-moves
5 Ka7 loss in 26 half-moves
6 Kc7 loss in 26 half-moves
7 Ra3 loss in 26 half-moves
8 Kb6 loss in 24 half-moves
9 Kb8 loss in 20 half-moves
10 Rc8 loss in 20 half-moves
11 Re8 loss in 20 half-moves
12 Kc8 loss in 8 half-moves
13 Kc6 loss in 6 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 Rd8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves