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

EGTB: win in 2 half-moves

# move score
1 Rd5 win in 1 half-moves
2 Kd7 loss in 8 half-moves
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Rd1 loss in 2 half-moves
7 Rd2 loss in 2 half-moves
8 Rd3 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves