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

EGTB: draw

# move score
1 Rf1 draw
2 Rf2 draw
3 Rf7 draw
4 Rf3 loss in 2 half-moves
5 Rf4 loss in 2 half-moves
6 Rf5 loss in 2 half-moves
7 Rf6 loss in 2 half-moves
8 Rg8 loss in 2 half-moves
9 Rh8 loss in 2 half-moves
10 Kd7 loss in 1 half-moves
11 Kd8 loss in 1 half-moves
12 Ke7 loss in 1 half-moves
13 Kf7 loss in 1 half-moves