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

EGTB: win in 4 half-moves

# move score
1 g6 win in 3 half-moves
2 Rd4 draw
3 Re1 draw
4 Re2 draw
5 Re3 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ra4 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves