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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Rd6 draw
11 Re7 draw
12 Rf7 loss in 6 half-moves
13 Rh7 loss in 6 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rg7 loss in 1 half-moves