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

EGTB: draw

# move score
1 g7 draw
2 Rc7 draw
3 Rd7 draw
4 Re7 draw
5 Rf3 draw
6 Rf4 draw
7 Rf5 draw
8 Rg7 draw
9 Rh7 draw
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rf8 loss in 2 half-moves