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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Rb1 draw
6 Rc1 draw
7 Rd2 draw
8 Rd3 draw
9 Rd5 draw
10 Rd6 draw
11 Re1 draw
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves