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

EGTB: draw

# move score
1 Kb8 draw
2 Rc7 draw
3 Rd7 draw
4 Re7 draw
5 Rf7 draw
6 Rg4 draw
7 Rg6 draw
8 Rg8 draw
9 Rh7 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg1 loss in 1 half-moves