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 Kf8 loss in 16 half-moves
3 Rh7 loss in 16 half-moves
4 Kh7 loss in 12 half-moves
5 Kh8 loss in 10 half-moves
6 Kf7 loss in 6 half-moves
7 Rb7 loss in 4 half-moves
8 Rf7 loss in 4 half-moves
9 Rg6 loss in 4 half-moves
10 Ra7 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 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg5 loss in 2 half-moves