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

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rh8 win in 1 half-moves
4 Rf7 draw
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Rf1 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 Rg8 loss in 2 half-moves
13 Kc8 loss in 1 half-moves
14 Ke8 loss in 1 half-moves
15 Re8 loss in 1 half-moves