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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ra1 loss in 6 half-moves
3 Rd1 loss in 4 half-moves
4 Kc2 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rb6 loss in 1 half-moves
21 Rb7 loss in 1 half-moves
22 Rh1 loss in 1 half-moves