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 Ra1 win in 3 half-moves
3 Ra3 win in 3 half-moves
4 Ra4 win in 3 half-moves
5 Ra5 win in 3 half-moves
6 Ra8 win in 3 half-moves
7 Rb2 win in 3 half-moves
8 Rc2 win in 3 half-moves
9 Rd2 win in 3 half-moves
10 Re2 win in 3 half-moves
11 Rh2 win in 3 half-moves
12 Kc7 win in 5 half-moves
13 Kc8 win in 5 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves