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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rg7 win in 1 half-moves
4 Rh7 win in 1 half-moves
5 Ra1 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Ra4 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves