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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ra4 draw
3 Rb1 draw
4 Rb2 draw
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves