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 Kf1 loss in 2 half-moves
3 Kf2 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Ra6 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Rf4 loss in 1 half-moves