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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 K6b7 loss in 2 half-moves
4 K7b7 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 K6b6 loss in 1 half-moves
17 K7b6 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kb8 loss in 1 half-moves
20 Rb5 loss in 1 half-moves
21 Rb6 loss in 1 half-moves
22 Rb8 loss in 1 half-moves