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

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kc4 draw
4 Kd4 draw
5 Kd5 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Ra6 draw
10 Ra7 draw
11 Ra8 draw
12 Rb5 draw
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves