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 Kb2 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc2 draw
9 Kc4 draw
10 Kc5 draw
11 Kc7 draw
12 Kd2 draw
13 Kd3 draw
14 Ra8 draw
15 Rc8 draw
16 Rh1 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh7 loss in 2 half-moves