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 Re6 draw
12 Rf6 draw
13 Rg6 draw
14 Rh6 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves