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 Kf7 draw
3 Kg6 draw
4 Kg8 draw
5 Kh6 draw
6 Rc8 draw
7 Re8 draw
8 Rf5 draw
9 Rf7 draw
10 Rh8 draw
11 Rg8 loss in 10 half-moves
12 Kh7 loss in 6 half-moves
13 Kh8 loss in 4 half-moves
14 Kf6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf6 loss in 2 half-moves