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

EGTB: draw

# move score
1 Ka2 draw
2 Kb1 draw
3 Kb2 draw
4 Ra8 draw
5 Rb8 draw
6 Rc1 draw
7 Rc3 draw
8 Rc4 draw
9 Rc5 draw
10 Rc6 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Rg8 draw
15 Rc2 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves