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

EGTB: draw

# move score
1 Ka6 draw
2 Ka8 draw
3 Kb6 draw
4 Kb8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rc7 draw
10 Rd7 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves