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

EGTB: draw

# move score
1 Ra7 draw
2 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re1 draw
6 Re2 draw
7 f8=B loss in 2 half-moves
8 f8=K loss in 2 half-moves
9 f8=N loss in 2 half-moves
10 f8=Q loss in 2 half-moves
11 f8=R loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re8 loss in 2 half-moves