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

EGTB: win in 2 half-moves

# move score
1 g7 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Rg7 win in 1 half-moves
5 Rb7 win in 3 half-moves
6 Ra7 loss in 2 half-moves
7 Rc7 loss in 2 half-moves
8 Rd7 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh7 loss in 2 half-moves