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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kf6 draw
3 Rf1 draw
4 Rf2 draw
5 Rf8 draw
6 Rg7 draw
7 Rh7 draw
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves