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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kd5 draw
3 Kd6 draw
4 Ra1 draw
5 Rb5 draw
6 Rd1 draw
7 Kc4 loss in 12 half-moves
8 Kb6 loss in 10 half-moves
9 Kc6 loss in 10 half-moves
10 Kd4 loss in 6 half-moves
11 Kb4 loss in 4 half-moves
12 Kb5 loss in 4 half-moves
13 Rc1 loss in 4 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves