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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Kf7 draw
5 Kf8 draw
6 Kg5 draw
7 Kg6 draw
8 Kgg7 draw
9 Kgh7 draw
10 Kh5 draw
11 Kh8 draw
12 Khg7 draw
13 Khh7 draw
14 Ra3 draw
15 Rb3 draw
16 Rf4 draw
17 Rf7 draw
18 Rg3 draw
19 Rh3 draw
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf2 loss in 2 half-moves