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 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ra3 draw
7 Ra4 draw
8 Ra5 draw
9 Ra7 draw
10 Ra8 draw
11 Rb6 draw
12 Rc6 draw
13 Rd6 draw
14 Re6 draw
15 Rf6 draw
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves