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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Rd1 win in 3 half-moves
5 Re1 draw
6 Rf1 draw
7 Rg2 draw
8 Rg5 draw
9 Rg6 draw
10 Rg7 draw
11 Ka7 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kbc7 loss in 2 half-moves
15 Kcb7 loss in 2 half-moves
16 Kcc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh1 loss in 2 half-moves