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

EGTB: draw

# move score
1 Ka4 draw
2 Ka6 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Ra7 draw
7 Rb8 draw
8 Rc8 draw
9 Rd8 draw
10 Rh8 draw
11 Ra6 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves