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

EGTB: win in 4 half-moves

# move score
1 g4 win in 3 half-moves
2 Rb4 loss in 4 half-moves
3 Nf2 loss in 2 half-moves
4 Ra3 loss in 2 half-moves
5 Rb1 loss in 2 half-moves
6 Rb5 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rb2 loss in 1 half-moves
14 Rc3 loss in 1 half-moves