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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ra6 draw
3 Kb6 loss in 16 half-moves
4 Ra5 loss in 12 half-moves
5 Kb4 loss in 10 half-moves
6 Ka5 loss in 8 half-moves
7 Ka6 loss in 8 half-moves
8 Rb8 loss in 8 half-moves
9 Ka4 loss in 6 half-moves
10 Kc5 loss in 6 half-moves
11 Kc6 loss in 6 half-moves
12 Rh8 loss in 4 half-moves
13 Kc4 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 1 half-moves