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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb1 win in 5 half-moves
3 Rb2 win in 5 half-moves
4 Rb3 win in 5 half-moves
5 Kd5 win in 7 half-moves
6 Kd6 win in 7 half-moves
7 Ka8 draw
8 Kb6 draw
9 Kb7 draw
10 Kd7 draw
11 Ke5 draw
12 Ra4 draw
13 Rb5 draw
14 Rb8 draw
15 Re4 draw
16 Ka6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Kb8 loss in 1 half-moves