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