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 Kd7 draw
3 Ke7 draw
4 Kf5 draw
5 Kf6 draw
6 Kf7 draw
7 Rb8 draw
8 Re8 draw
9 Rf6 draw
10 Rf7 draw
11 Rg8 draw
12 Rh8 draw
13 Kd6 loss in 20 half-moves
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 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 Rf5 loss in 2 half-moves