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 Kc5 loss in 2 half-moves
3 Kc6 loss in 2 half-moves
4 Kd5 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ke6 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rf7 loss in 2 half-moves
9 Rg1 loss in 2 half-moves
10 Rg2 loss in 2 half-moves
11 Rg3 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Kc7 loss in 1 half-moves
18 Kd7 loss in 1 half-moves
19 Ke7 loss in 1 half-moves
20 Rc7 loss in 1 half-moves
21 Rd7 loss in 1 half-moves
22 Re7 loss in 1 half-moves