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

EGTB: win in 4 half-moves

# move score
1 Kf8 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Kd8 win in 5 half-moves
5 Ra1 win in 5 half-moves
6 Rb7 win in 5 half-moves
7 Rc1 win in 5 half-moves
8 Rb8 loss in 4 half-moves
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves