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

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Ra1 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Rb3 draw
10 Rc3 draw
11 Re3 draw
12 Rg3 draw
13 Rh3 draw
14 Ra2 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rd3 loss in 1 half-moves