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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rh4 win in 1 half-moves
3 Ra5 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Ra1 win in 5 half-moves
6 Ra2 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves