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 Ra1 draw
5 Rb8 draw
6 Rd1 draw
7 Re1 draw
8 Rf1 draw
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kfg5 loss in 2 half-moves
15 Kfg6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Khg5 loss in 2 half-moves
21 Khg6 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 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