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 Rb2 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Re5 draw
7 Ra5 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Rf5 loss in 2 half-moves