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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Ra6 draw
8 Rb6 draw
9 Rd2 draw
10 Re6 draw
11 Rf6 loss in 4 half-moves
12 Rd3 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rc6 loss in 1 half-moves