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