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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Ra2 win in 5 half-moves
3 Ra4 win in 5 half-moves
4 Ra1 win in 7 half-moves
5 Rf6 win in 7 half-moves
6 Ra5 win in 13 half-moves
7 Rc6 win in 29 half-moves
8 Rg6 win in 29 half-moves
9 Kb7 draw
10 Kb8 draw
11 Kc8 draw
12 Ra3 draw
13 Rb6 draw
14 Rb7 draw
15 Rd6 draw
16 Re6 draw
17 Kd7 loss in 4 half-moves
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rh6 loss in 2 half-moves