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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Re8 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Rg1 win in 1 half-moves
6 Rg2 win in 1 half-moves
7 Rg3 win in 1 half-moves
8 Rg5 win in 1 half-moves
9 Rg6 win in 1 half-moves
10 Ra8 loss in 1 half-moves
11 Rb8 loss in 1 half-moves
12 Rc8 loss in 1 half-moves
13 Rg4 loss in 1 half-moves
14 Rg7 loss in 1 half-moves
15 Rh8 loss in 1 half-moves