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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Ra6 draw
8 Rb6 draw
9 Rc6 draw
10 Rd7 draw
11 Re6 draw
12 Rf6 draw
13 Rd1 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves