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 Ke5 loss in 10 half-moves
3 Ke6 loss in 10 half-moves
4 Kf7 loss in 10 half-moves
5 Kg6 loss in 10 half-moves
6 Kg7 loss in 10 half-moves
7 Ra5 loss in 10 half-moves
8 Ra6 loss in 10 half-moves
9 Rc7 loss in 10 half-moves
10 Ra8 loss in 8 half-moves
11 Rf7 loss in 8 half-moves
12 Ke7 loss in 6 half-moves
13 Kf5 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Ra1 loss in 1 half-moves