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 Rd1 draw
3 Rd2 draw
4 Rd3 draw
5 Rd8 draw
6 Rg7 draw
7 Rh7 draw
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves