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

EGTB: draw

# move score
1 Kb7 draw
2 Rc6 draw
3 Rd1 draw
4 Rd3 draw
5 Rd4 draw
6 Rd5 draw
7 Rf6 draw
8 Rg6 draw
9 Rh6 draw
10 Ka7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re6 loss in 2 half-moves