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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves