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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rf7 win in 1 half-moves
6 Rg7 win in 1 half-moves
7 Ra7 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves