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 draw
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rd2 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Ra5 loss in 1 half-moves
16 Rf5 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rh5 loss in 1 half-moves