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 Kd6 draw
5 Ra1 draw
6 Ra3 draw
7 Ra4 draw
8 Ra7 draw
9 Ra8 draw
10 Rb5 draw
11 Kb4 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra6 loss in 2 half-moves