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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Ra1 draw
6 Rb8 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kfg5 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh3 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Khg5 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves