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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Ra6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Rb4 win in 3 half-moves
7 Rb5 win in 3 half-moves
8 Rg6 win in 3 half-moves
9 Rh6 win in 3 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rf6 loss in 2 half-moves