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

EGTB: draw

# move score
1 Ka7 draw
2 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kh1 draw
6 Kh3 draw
7 Rb8 draw
8 Rc8 draw
9 Rd1 draw
10 Rd3 draw
11 Rd4 draw
12 Rd5 draw
13 Rd6 draw
14 Rd7 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Kb7 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Rd2 loss in 1 half-moves