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 Rb4 win in 1 half-moves
3 Ka5 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Rb1 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 K6b6 loss in 1 half-moves
16 K7b6 loss in 1 half-moves
17 Kb5 loss in 1 half-moves
18 Rb5 loss in 1 half-moves
19 Rb6 loss in 1 half-moves