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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Rf6 win in 3 half-moves
5 Kb4 win in 5 half-moves
6 Kc4 win in 5 half-moves
7 Kd4 win in 5 half-moves
8 Kd5 win in 5 half-moves
9 Ra4 win in 5 half-moves
10 Rb5 win in 5 half-moves
11 Rb6 win in 5 half-moves
12 Rc6 win in 5 half-moves
13 Re6 win in 5 half-moves
14 Rg6 win in 5 half-moves
15 Kb5 win in 7 half-moves
16 Kb6 win in 29 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves