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

EGTB: win in 4 half-moves

# move score
1 g3 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Rd8 win in 3 half-moves
8 Rg8 win in 3 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves