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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rc1 win in 5 half-moves
3 Rd1 win in 5 half-moves
4 Ra1 win in 11 half-moves
5 Re1 draw
6 Rf1 draw
7 Rg4 draw
8 Rg6 draw
9 Rg7 draw
10 Rg8 draw
11 K6b7 loss in 2 half-moves
12 K6c7 loss in 2 half-moves
13 K6d7 loss in 2 half-moves
14 K8b7 loss in 2 half-moves
15 K8c7 loss in 2 half-moves
16 K8d7 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kb8 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Kd8 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh1 loss in 2 half-moves