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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kc7 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Kg8 win in 5 half-moves
7 Ke8 win in 7 half-moves
8 Kf8 win in 7 half-moves
9 Rc7 win in 7 half-moves
10 Kc5 win in 9 half-moves
11 Kf6 win in 9 half-moves
12 Kg7 win in 9 half-moves
13 Rf8 win in 9 half-moves
14 Kb5 draw
15 Kb6 draw
16 Kb7 draw
17 Ke6 draw
18 Kg6 draw
19 Ra8 draw
20 Rd8 draw
21 Rh8 draw
22 Kd5 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves