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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 g3 loss in 2 half-moves
3 g4 loss in 2 half-moves
4 Ra7 loss in 2 half-moves
5 Rb7 loss in 2 half-moves
6 Rd7 loss in 2 half-moves
7 Re7 loss in 2 half-moves
8 Rf7 loss in 2 half-moves
9 Rg3 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rg6 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh7 loss in 2 half-moves
14 Rc7 loss in 1 half-moves