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

EGTB: win in 2 half-moves

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