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 Rc1 draw
6 Rc4 draw
7 Rc5 draw
8 Rc6 draw
9 Rc7 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves