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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kg3 draw
4 Kg4 draw
5 Kh3 draw
6 Kh5 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ra7 draw
13 Ka5 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Ka7 loss in 1 half-moves