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 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Rh7 draw
11 Rc8 loss in 6 half-moves
12 Rb8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rh3 loss in 2 half-moves