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

EGTB: win in 2 half-moves

# move score
1 Rd2 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Rf8 draw
4 Kd5 loss in 4 half-moves
5 Kd6 loss in 4 half-moves
6 Re8 loss in 4 half-moves
7 Kd4 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Rb8 loss in 1 half-moves
22 Rd1 loss in 1 half-moves