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

EGTB: win in 2 half-moves

# move score
1 Rd7 win in 1 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kc5 draw
5 Kd3 draw
6 Ke3 draw
7 Ke4 draw
8 Ke5 draw
9 Rc8 draw
10 Re8 draw
11 Kd5 loss in 12 half-moves
12 Ra8 loss in 10 half-moves
13 Rf8 loss in 4 half-moves
14 Rd5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Rb8 loss in 1 half-moves