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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rg1 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Kb8 win in 5 half-moves
6 Kc6 win in 5 half-moves
7 Kc8 win in 5 half-moves
8 Kd7 win in 5 half-moves
9 Kd8 win in 5 half-moves
10 Ra1 win in 5 half-moves
11 Rb8 win in 5 half-moves
12 Rc1 win in 5 half-moves
13 Rd1 win in 5 half-moves
14 Rb7 loss in 4 half-moves
15 Kd6 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves