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 Kb8 draw
3 Kcd8 draw
4 Ked8 draw
5 Kf8 draw
6 Ra1 draw
7 Rf1 draw
8 Rg1 draw
9 Rh2 draw
10 Rh3 draw
11 Rh8 draw
12 Kb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ked7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves