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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ra3 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Rc3 win in 3 half-moves
8 Re3 win in 3 half-moves
9 Rf3 win in 3 half-moves
10 Rg3 win in 3 half-moves
11 Rb1 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves