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 Rc8 win in 1 half-moves
3 Re8 win in 1 half-moves
4 Rf1 win in 1 half-moves
5 Rf2 win in 1 half-moves
6 Rf3 win in 1 half-moves
7 Rf6 win in 1 half-moves
8 Rf7 win in 1 half-moves
9 Ra8 loss in 1 half-moves
10 Rb8 loss in 1 half-moves
11 Rd8 loss in 1 half-moves
12 Rf4 loss in 1 half-moves
13 Rf5 loss in 1 half-moves
14 Rg8 loss in 1 half-moves
15 Rh8 loss in 1 half-moves