Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf3 draw
8 Kf4 draw
9 Kf5 draw
10 Ra8 draw
11 Rb8 draw
12 Rd8 draw
13 Re8 draw
14 Rf3 draw
15 Rf4 draw
16 Rf6 draw
17 Rf7 draw
18 Rg8 draw
19 Rc8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rh8 loss in 2 half-moves