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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Rg1 win in 3 half-moves
5 Rh1 win in 3 half-moves
6 Rb5 win in 5 half-moves
7 Rc1 win in 5 half-moves
8 Re1 win in 5 half-moves
9 Rb6 win in 7 half-moves
10 Ra1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb8 loss in 2 half-moves
14 Rd1 loss in 2 half-moves