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

EGTB: draw

# move score
1 Ka5 draw
2 Ka6 draw
3 Kb6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra8 draw
7 Rb8 draw
8 Rd8 draw
9 Re1 draw
10 Re2 draw
11 Re3 draw
12 Re4 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rg8 draw
17 Rh8 draw
18 Ka4 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves