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 Ra5 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rg7 win in 3 half-moves
5 Ra3 win in 5 half-moves
6 Ra4 win in 5 half-moves
7 Ra1 draw
8 Ra6 draw
9 Ra8 draw
10 Rb7 draw
11 Rd7 draw
12 Re7 draw
13 Rf7 draw
14 Rh7 draw