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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Re6 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kee7 loss in 2 half-moves
12 Kef7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kff7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves