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

EGTB: draw

# move score
1 Kb8 draw
2 Ra5 draw
3 Rd5 draw
4 Re5 draw
5 Rf5 draw
6 Rh2 draw
7 Rh3 draw
8 Rh6 draw
9 Rh7 draw
10 Rh8 draw
11 Rh1 loss in 6 half-moves
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rb5 loss in 1 half-moves
17 Rc5 loss in 1 half-moves