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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Ra5 win in 5 half-moves
3 Ra6 win in 5 half-moves
4 Ra7 win in 7 half-moves
5 Ra8 win in 7 half-moves
6 Rg1 win in 7 half-moves
7 Rh1 win in 7 half-moves
8 Re1 win in 9 half-moves
9 Rf1 win in 9 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves