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 Ra4 draw
15 Re4 draw
16 Rf7 draw
17 Rg4 draw
18 Rh4 draw
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves