Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 g7 draw
2 Ra5 draw
3 Ra6 draw
4 Ra8 draw
5 Rb4 draw
6 Rf4 draw
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves