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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Kd2 draw
3 Ke2 draw
4 Rf2 draw
5 Rf4 draw
6 Rf5 draw
7 Rf7 draw
8 Rf8 draw
9 Kd3 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Kf2 loss in 1 half-moves