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