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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Ra1 draw
4 Ra2 draw
5 Ra3 draw
6 Ra5 draw
7 Rb6 draw
8 Rd6 draw
9 Re6 draw
10 Rf6 draw
11 Rg6 draw
12 Rh6 draw
13 Ka8 loss in 2 half-moves
14 Ke1 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kg1 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Kb6 loss in 1 half-moves