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

EGTB: draw

# move score
1 Rb1 draw
2 Rb2 draw
3 Rb3 draw
4 Rb4 draw
5 Rc7 draw
6 f8=B loss in 2 half-moves
7 f8=K loss in 2 half-moves
8 f8=N loss in 2 half-moves
9 f8=Q loss in 2 half-moves
10 f8=R loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves