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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Rh8 win in 3 half-moves
4 Ka3 win in 5 half-moves
5 Ka4 win in 5 half-moves
6 Ka5 win in 5 half-moves
7 Kb3 win in 5 half-moves
8 Kb5 win in 5 half-moves
9 Kc3 win in 5 half-moves
10 Kc4 win in 5 half-moves
11 Kc5 win in 5 half-moves
12 Ra4 win in 5 half-moves
13 Ra5 win in 5 half-moves
14 Ra6 win in 5 half-moves
15 Ra7 win in 5 half-moves
16 Rb8 win in 5 half-moves
17 Rc8 win in 5 half-moves
18 Rd8 win in 5 half-moves
19 Ra1 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves