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

EGTB: draw

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