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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 K1f2 draw
3 K3f2 draw
4 Ra6 draw
5 Rb6 draw
6 Rc6 draw
7 Rd6 draw
8 Rf2 draw
9 Rf3 draw
10 Rf7 draw
11 Rf8 draw
12 Kf1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kh1 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 K1g2 loss in 1 half-moves
25 K1h2 loss in 1 half-moves
26 K3g2 loss in 1 half-moves
27 K3h2 loss in 1 half-moves