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 Ka5 draw
3 Ka7 draw
4 Kab5 draw
5 Kab6 draw
6 Kab7 draw
7 Kc5 draw
8 Kc7 draw
9 Kcb5 draw
10 Kcb6 draw
11 Kcb7 draw
12 Kd7 draw
13 Ra8 draw
14 Rb8 draw
15 Rc8 draw
16 Rh2 draw
17 Rh6 draw
18 Rh7 draw
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves