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

EGTB: draw

# move score
1 Kb3 draw
2 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra6 draw
12 Ra7 draw
13 Rb4 draw
14 Kd5 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves