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 Kb5 draw
4 Kb7 draw
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Ra1 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra8 draw
14 Rb7 draw
15 Rc7 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rg7 draw
20 Rh7 draw
21 Ra2 loss in 2 half-moves