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 Ra1 draw
4 Re1 draw
5 Rh3 draw
6 Rh5 draw
7 Rh6 draw
8 Rh7 draw
9 K7b7 loss in 2 half-moves
10 K7b8 loss in 2 half-moves
11 K7d7 loss in 2 half-moves
12 K7d8 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 K8b8 loss in 2 half-moves
15 K8d7 loss in 2 half-moves
16 K8d8 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh8 loss in 2 half-moves