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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 K2g2 draw
3 K2g3 draw
4 K3g2 draw
5 K3g3 draw
6 Kg1 draw
7 Kg4 draw
8 Kh1 draw
9 Kh4 draw
10 Ra8 draw
11 Re8 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rg8 draw
17 Rh8 draw
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves