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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Kg7 loss in 8 half-moves
3 Kh7 loss in 8 half-moves
4 Kf7 loss in 6 half-moves
5 Kh8 loss in 4 half-moves
6 Ra8 loss in 4 half-moves
7 Re8 loss in 4 half-moves
8 Rf5 loss in 4 half-moves
9 Rf6 loss in 4 half-moves
10 Rf7 loss in 4 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf4 loss in 2 half-moves