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

EGTB: draw

# move score
1 Rb7 draw
2 Rc7 draw
3 Rd7 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rf4 draw
8 Rf5 draw
9 Rf6 draw
10 Rg7 draw
11 Ka2 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh7 loss in 2 half-moves