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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Kg6 win in 5 half-moves
3 Kg7 win in 5 half-moves
4 Kg8 win in 5 half-moves
5 Kd6 win in 9 half-moves
6 Kd4 draw
7 Kh6 draw
8 Kh8 draw
9 Rd7 draw
10 Rf8 draw
11 Rh8 draw
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves