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 Kf2 draw
5 Kf3 draw
6 Kf4 draw
7 Kg2 draw
8 Kg4 draw
9 Kh2 draw
10 Kh3 draw
11 Kh4 draw
12 Rg5 draw
13 Rg6 draw
14 Rg7 draw
15 Rh8 draw
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves