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

EGTB: win in 4 half-moves

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