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

EGTB: draw

# move score
1 f7 draw
2 Ra4 draw
3 Ra5 draw
4 Ra7 draw
5 Ra8 draw
6 Rb6 draw
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Re6 loss in 2 half-moves