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 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh7 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Ke3 loss in 2 half-moves
25 Ke4 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh2 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh4 loss in 2 half-moves