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

EGTB: draw

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