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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kf7 loss in 10 half-moves
3 Kf8 loss in 8 half-moves
4 Kg8 loss in 8 half-moves
5 Kh7 loss in 8 half-moves
6 Kh8 loss in 8 half-moves
7 Rb6 loss in 8 half-moves
8 Rb7 loss in 8 half-moves
9 Rc8 loss in 8 half-moves
10 Rd8 loss in 8 half-moves
11 Rg8 loss in 8 half-moves
12 Kf6 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rb1 loss in 1 half-moves