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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rd5 win in 1 half-moves
3 Ka1 loss in 2 half-moves
4 Ka2 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves