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 Re8 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Kf7 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kh7 loss in 2 half-moves
7 Kh8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rc8 loss in 1 half-moves
16 Rd8 loss in 1 half-moves