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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb5 win in 9 half-moves
3 Rb7 win in 11 half-moves
4 K5b6 draw
5 K7b6 draw
6 Rb6 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rg1 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ra1 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 Rf1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 K5c6 loss in 1 half-moves
28 K5d6 loss in 1 half-moves
29 K7c6 loss in 1 half-moves
30 K7d6 loss in 1 half-moves