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

EGTB: win in 2 half-moves

# move score
1 b6 win in 1 half-moves
2 Ra1 win in 1 half-moves
3 Ra2 win in 1 half-moves
4 Ra6 win in 1 half-moves
5 Ra7 win in 1 half-moves
6 Re8 win in 1 half-moves
7 Rf8 win in 1 half-moves
8 Ra3 loss in 1 half-moves
9 Ra4 loss in 1 half-moves
10 Ra5 loss in 1 half-moves
11 Rb8 loss in 1 half-moves
12 Rc8 loss in 1 half-moves
13 Rd8 loss in 1 half-moves
14 Rg8 loss in 1 half-moves
15 Rh8 loss in 1 half-moves