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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Rc1 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rc8 win in 1 half-moves
5 Rf7 win in 1 half-moves
6 Rh7 win in 1 half-moves
7 Rb7 loss in 2 half-moves
8 Rc2 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves