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

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Rc3 draw
5 Rc4 draw
6 Rc7 draw
7 Rc8 draw
8 Rd6 draw
9 Re6 draw
10 Rf6 draw
11 Rg6 draw
12 Rh6 draw
13 Ra6 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc5 loss in 2 half-moves