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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb5 loss in 2 half-moves
3 Kb6 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rb2 loss in 1 half-moves
19 Rb3 loss in 1 half-moves
20 Rc1 loss in 1 half-moves
21 Rd1 loss in 1 half-moves
22 Re1 loss in 1 half-moves