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 Rf1 win in 1 half-moves
3 Rf2 win in 1 half-moves
4 Rf3 win in 1 half-moves
5 Rf6 win in 1 half-moves
6 Rf7 win in 1 half-moves
7 Rf8 win in 1 half-moves
8 Rc5 loss in 1 half-moves
9 Rd5 loss in 1 half-moves
10 Re5 loss in 1 half-moves
11 Rf4 loss in 1 half-moves
12 Rg5 loss in 1 half-moves
13 Rh5 loss in 1 half-moves