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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Rf2 win in 1 half-moves
4 Rf3 win in 1 half-moves
5 Rf4 win in 1 half-moves
6 Rf5 win in 1 half-moves
7 Ra8 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves