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

EGTB: draw

# move score
1 Ka4 draw
2 Ka5 draw
3 Ka6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc6 draw
10 Rd6 draw
11 Re6 draw
12 Rf6 draw
13 Rg6 draw
14 Rh6 draw
15 Kb4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves