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 Kg6 loss in 10 half-moves
3 Rg5 loss in 10 half-moves
4 Kg8 loss in 8 half-moves
5 Rf2 loss in 8 half-moves
6 Rg1 loss in 8 half-moves
7 Rg3 loss in 8 half-moves
8 Rh2 loss in 8 half-moves
9 Kh6 loss in 6 half-moves
10 Kh7 loss in 6 half-moves
11 Kh8 loss in 6 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Ra2 loss in 1 half-moves