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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Ka7 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rb4 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rg3 loss in 1 half-moves
18 Rh3 loss in 1 half-moves