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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Ra8 draw
5 Rc8 draw
6 Re8 draw
7 Kb5 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kcd5 loss in 2 half-moves
11 Kcd6 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ked5 loss in 2 half-moves
16 Ked6 loss in 2 half-moves
17 Ked7 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves