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 Kc7 loss in 2 half-moves
4 Kc8 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Re8 loss in 2 half-moves
9 Rf7 loss in 2 half-moves
10 Rg8 loss in 2 half-moves
11 Rh8 loss in 2 half-moves
12 Rf1 loss in 1 half-moves
13 Rf2 loss in 1 half-moves
14 Rf3 loss in 1 half-moves
15 Rf4 loss in 1 half-moves