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

EGTB: win in 2 half-moves

# move score
1 Rd3 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Kd7 draw
4 Ra8 loss in 6 half-moves
5 Kd6 loss in 4 half-moves
6 Rc8 loss in 4 half-moves
7 Rh8 loss in 4 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rd1 loss in 1 half-moves
21 Rd2 loss in 1 half-moves
22 Rg8 loss in 1 half-moves