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

EGTB: draw

# move score
1 Rf3 draw
2 Rf6 draw
3 Rf7 draw
4 Rf8 draw
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Kf6 loss in 1 half-moves