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

EGTB: draw

# move score
1 Ka6 draw
2 Ka7 draw
3 Ka8 draw
4 Kb8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rb5 draw
10 Rc6 draw
11 Rd6 draw
12 Re6 draw
13 Rf6 draw
14 Rg6 draw
15 Rh6 draw
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra6 loss in 2 half-moves