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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ra2 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 K2d1 loss in 2 half-moves
12 K2f1 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 K1d1 loss in 1 half-moves
17 K1d2 loss in 1 half-moves
18 K1f1 loss in 1 half-moves
19 K1f2 loss in 1 half-moves
20 K2d2 loss in 1 half-moves
21 K2f2 loss in 1 half-moves
22 Ra1 loss in 1 half-moves
23 Ra3 loss in 1 half-moves
24 Ra7 loss in 1 half-moves
25 Rc8 loss in 1 half-moves