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

EGTB: win in 8 half-moves

# move score
1 Rb8 win in 7 half-moves
2 Kb3 draw
3 Kb4 draw
4 Kb5 draw
5 Kb7 draw
6 Kb8 draw
7 Kc3 draw
8 Kc5 draw
9 Kc7 draw
10 Kd7 draw
11 Kd8 draw
12 Ra1 draw
13 Rb4 draw
14 Rb5 draw
15 Rb6 draw
16 Rb7 draw
17 Rc1 draw
18 Rd1 draw
19 Rh1 draw
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves