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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc6 draw
5 Kd5 draw
6 Kd6 draw
7 Ke1 draw
8 Ke2 draw
9 Rc8 draw
10 Re8 draw
11 Rf8 draw
12 Rg8 draw
13 Rh3 draw
14 Rh4 draw
15 Rh5 draw
16 Rh6 draw
17 Rh7 draw
18 Kb4 loss in 2 half-moves
19 Kc1 loss in 2 half-moves
20 Kc2 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves