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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Ka7 win in 7 half-moves
7 Ka8 win in 7 half-moves
8 Kb7 win in 7 half-moves
9 Kc7 win in 7 half-moves
10 Kc8 win in 7 half-moves
11 Re8 win in 7 half-moves
12 Kd5 draw
13 Kd6 draw
14 Ke5 draw
15 Kf7 draw
16 Rf7 draw
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves