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

EGTB: win in 2 half-moves

# move score
1 g4 win in 1 half-moves
2 Rd4 draw
3 Re4 draw
4 Rf4 draw
5 Rg4 draw
6 Rh5 draw
7 Rh6 draw
8 Rh7 draw
9 Rh8 draw
10 Rh3 loss in 4 half-moves
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh2 loss in 2 half-moves