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

EGTB: draw

# move score
1 Kb8 draw
2 Rc8 draw
3 Rd8 draw
4 Re4 draw
5 Re6 draw
6 Re7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re2 loss in 1 half-moves