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 Rg6 win in 3 half-moves
3 Kb1 win in 5 half-moves
4 Kb2 win in 5 half-moves
5 Kc1 win in 5 half-moves
6 Kd1 win in 5 half-moves
7 Kd2 win in 5 half-moves
8 Re1 win in 5 half-moves
9 Rf1 win in 5 half-moves
10 Rg3 win in 5 half-moves
11 Rh1 win in 5 half-moves
12 Rc1 loss in 4 half-moves
13 Rg2 loss in 4 half-moves
14 Kb3 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves