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 Kc7 loss in 12 half-moves
3 Kb7 loss in 10 half-moves
4 Kc8 loss in 10 half-moves
5 Ra1 loss in 10 half-moves
6 Rc1 loss in 10 half-moves
7 Ka7 loss in 6 half-moves
8 Ka8 loss in 6 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 1 half-moves