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 Rd1 draw
9 Rd3 draw
10 Rd4 draw
11 Rd5 draw
12 Rd7 draw
13 Re6 draw
14 Rg6 draw
15 Rh6 draw
16 Rb6 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf6 loss in 2 half-moves