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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kb7 draw
3 Kcd7 draw
4 Kcd8 draw
5 Ked7 draw
6 Ked8 draw
7 Rd3 draw
8 Kb8 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves