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