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

EGTB: win in 2 half-moves

# move score
1 Rd6 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Rf8 win in 1 half-moves
4 Rd1 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Rd2 loss in 1 half-moves
16 Rd3 loss in 1 half-moves
17 Rd5 loss in 1 half-moves