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

EGTB: draw

# move score
1 Ka7 draw
2 Ka8 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Ra6 draw
7 Rc6 draw
8 Rd6 draw
9 Re1 draw
10 Re3 draw
11 Re4 draw
12 Re5 draw
13 Re8 draw
14 Rf6 draw
15 Rg6 draw
16 Rh6 draw
17 Rb6 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re7 loss in 2 half-moves