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 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kg3 draw
7 Kh2 draw
8 Kh3 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Rg8 draw
13 Rh8 draw
14 Kh1 loss in 4 half-moves
15 Rd8 loss in 4 half-moves
16 Re8 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rb8 loss in 1 half-moves