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 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Ra1 draw
6 Ra7 draw
7 Ra8 draw
8 Re4 draw
9 Rf4 draw
10 Rh4 draw
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves