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

EGTB: draw

# move score
1 Ka7 draw
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Ra2 draw
8 Ra3 draw
9 Ra4 draw
10 Rb1 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rc1 loss in 2 half-moves