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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Kf6 win in 7 half-moves
4 Kf5 win in 11 half-moves
5 Kd8 draw
6 Ke4 draw
7 Ke6 draw
8 Kf4 draw
9 Rg8 draw
10 Rh8 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves