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

EGTB: win in 2 half-moves

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