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 Rb4 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Rb5 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcc5 loss in 2 half-moves
15 Kcd6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kdc5 loss in 2 half-moves
19 Kdd6 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves