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

EGTB: win in 10 half-moves

# move score
1 Rb8 win in 9 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc2 draw
5 Kc3 draw
6 Kc4 draw
7 Kc7 draw
8 Kd2 draw
9 Kd4 draw
10 Kd7 draw
11 Kd8 draw
12 Ra1 draw
13 Rb3 draw
14 Rb5 draw
15 Rb6 draw
16 Rb7 draw
17 Rc1 draw
18 Rd1 draw
19 Re1 draw
20 Rf1 draw
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves