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 Rf5 win in 1 half-moves
3 K3b3 loss in 2 half-moves
4 K3b4 loss in 2 half-moves
5 K3d3 loss in 2 half-moves
6 K3d4 loss in 2 half-moves
7 K4b3 loss in 2 half-moves
8 K4b4 loss in 2 half-moves
9 K4d3 loss in 2 half-moves
10 K4d4 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves