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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rg8 draw
3 Ka2 loss in 2 half-moves
4 Ka3 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Kbb2 loss in 2 half-moves
7 Kbb4 loss in 2 half-moves
8 Kbc2 loss in 2 half-moves
9 Kbc4 loss in 2 half-moves
10 Kcb2 loss in 2 half-moves
11 Kcb4 loss in 2 half-moves
12 Kcc2 loss in 2 half-moves
13 Kcc4 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves