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 Rd8 win in 1 half-moves
3 Rd7 draw
4 Kd5 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rc6 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Rd2 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Kd7 loss in 1 half-moves
14 Ke7 loss in 1 half-moves
15 Kf5 loss in 1 half-moves
16 Kf6 loss in 1 half-moves
17 Kf7 loss in 1 half-moves