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 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf1 draw
7 Rf3 draw
8 Rf4 draw
9 Rf8 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh1 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves