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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Ra1 draw
6 Rb4 draw
7 Rd1 draw
8 Re1 draw
9 Rf1 draw
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kfg6 loss in 2 half-moves
16 Kfg7 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Khg6 loss in 2 half-moves
22 Khg7 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves