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

EGTB: win in 4 half-moves

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