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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc5 win in 1 half-moves
3 Ka2 win in 3 half-moves
4 Ka5 win in 3 half-moves
5 Kb1 win in 3 half-moves
6 Kb2 win in 3 half-moves
7 Kb3 win in 3 half-moves
8 Kb4 win in 3 half-moves
9 Ra5 win in 3 half-moves
10 Rb4 win in 3 half-moves
11 Rb6 win in 3 half-moves
12 Rb7 win in 3 half-moves
13 Rd5 win in 3 half-moves
14 Rh5 win in 3 half-moves
15 Ka3 win in 5 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves