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 Rd8 win in 1 half-moves
3 Re8 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Rg8 win in 1 half-moves
6 Rh8 win in 1 half-moves
7 Kb1 loss in 1 half-moves
8 Kb2 loss in 1 half-moves
9 Kb3 loss in 1 half-moves
10 Kb6 loss in 1 half-moves
11 Kb7 loss in 1 half-moves
12 Kb8 loss in 1 half-moves
13 Kc1 loss in 1 half-moves
14 Kc3 loss in 1 half-moves
15 Kc6 loss in 1 half-moves
16 Kd1 loss in 1 half-moves
17 Kd2 loss in 1 half-moves
18 Kd3 loss in 1 half-moves
19 Kd6 loss in 1 half-moves
20 Kd7 loss in 1 half-moves
21 Kd8 loss in 1 half-moves
22 Ra8 loss in 1 half-moves