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