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 Re7 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 Rf5 draw
11 Rf6 draw
12 Rg7 draw
13 Rh7 draw
14 Ka2 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Rf8 loss in 2 half-moves