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 Rf4 draw
3 Rf5 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kc1 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd3 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 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Re6 loss in 1 half-moves
20 Rf7 loss in 1 half-moves
21 Rg6 loss in 1 half-moves
22 Rh6 loss in 1 half-moves