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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kf6 loss in 10 half-moves
3 Kf7 loss in 10 half-moves
4 Kg7 loss in 10 half-moves
5 Kh6 loss in 10 half-moves
6 Kh7 loss in 10 half-moves
7 Rb5 loss in 10 half-moves
8 Rb6 loss in 10 half-moves
9 Rg7 loss in 10 half-moves
10 Kh5 loss in 6 half-moves
11 Rb8 loss in 4 half-moves
12 Kf5 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rb1 loss in 1 half-moves