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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Kb8 loss in 16 half-moves
7 Rc1 loss in 12 half-moves
8 Ka6 loss in 8 half-moves
9 Ra1 loss in 8 half-moves
10 Ka7 loss in 6 half-moves
11 Ka8 loss in 6 half-moves
12 Rd1 loss in 4 half-moves
13 Rg1 loss in 4 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rh1 loss in 1 half-moves