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 Rb5 win in 1 half-moves
3 Ra1 draw
4 Kb8 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kcd6 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kcd8 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ked6 loss in 2 half-moves
13 Ked7 loss in 2 half-moves
14 Ked8 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Kb6 loss in 1 half-moves
28 Kb7 loss in 1 half-moves
29 Rb6 loss in 1 half-moves
30 Rb7 loss in 1 half-moves