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 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Re7 loss in 2 half-moves
9 Rf7 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Ra7 loss in 1 half-moves