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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ra8 loss in 2 half-moves
3 Rb1 loss in 2 half-moves
4 Rb3 loss in 2 half-moves
5 Rb4 loss in 2 half-moves
6 Rb5 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves
12 a3 loss in 1 half-moves
13 Kf5 loss in 1 half-moves
14 Kf6 loss in 1 half-moves
15 Kf7 loss in 1 half-moves
16 Kg5 loss in 1 half-moves
17 Kg7 loss in 1 half-moves
18 Kh5 loss in 1 half-moves
19 Kh6 loss in 1 half-moves
20 Kh7 loss in 1 half-moves
21 Rb7 loss in 1 half-moves
22 Rd8 loss in 1 half-moves
23 Rh8 loss in 1 half-moves