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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Ra1 draw
6 Rd1 draw
7 Rg4 draw
8 Rg5 draw
9 Rg6 draw
10 Rg7 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcd7 loss in 2 half-moves
15 Kcd8 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ked7 loss in 2 half-moves
18 Ked8 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh1 loss in 2 half-moves