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 Kd7 draw
3 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Rc2 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd5 loss in 2 half-moves