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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Rh6 win in 1 half-moves
3 Rf7 draw
4 Kc4 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rf1 loss in 1 half-moves
22 Rf2 loss in 1 half-moves