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 Re8 draw
3 Rf8 draw
4 Rg1 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Ka5 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kcb7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh8 loss in 2 half-moves