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 15 half-moves
3 Rf7 win in 21 half-moves
4 Rf8 win in 21 half-moves
5 Kc6 draw
6 Kc7 draw
7 Kd7 draw
8 Ke6 draw
9 Ke7 draw
10 Kg4 draw
11 Kg5 draw
12 Kg6 draw
13 Kh4 draw
14 Kh6 draw
15 Ra3 draw
16 Re3 draw
17 Rf4 draw
18 Rg3 draw
19 Rh3 draw
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves