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 K7f7 draw
3 K7f8 draw
4 K7h7 draw
5 K7h8 draw
6 K8f7 draw
7 K8f8 draw
8 K8h8 draw
9 Ra1 draw
10 Rb2 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Rf1 draw
15 K8h7 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves