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